A GCSE/IGCSE Science-Chemistry multiple choice QUIZ on 'THE PERIODIC TABLE' (harder version) at Doc Brown's Chemistry Clinic

Which statement is TRUE about the modern PERIODIC TABLE? [pt-14]
1. the elements are laid out in order of atomic number
2. elements in the same group have have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-15]
1. the elements are laid out in order of relative atomic mass
2. elements in the same group have the same number of electrons in the outer shell or energy level
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-16]
1. the elements are laid out in order of relative atomic mass
2. elements in the same group have have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. elements in the same period use the same number of shells (energy levels)
4. most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-17]
1. the elements are laid out in order of relative atomic mass
2. elements in the same group have have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. most elements are metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-18]
1. the elements are laid out in order of number of neutrons
2. elements in the same group have have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. the elements were originally laid out in order of atomic mass
Which of the elements shown has 1 outer electron? [pt-19]
1. element Q
2. element R
3. element Z
4. element G
Which of the elements shown is a Halogen? [pt-20]
1. element Q
2. element R
3. element Z
4. element G
Which of the elements shown is an Alkali Metal? [pt-21]
1. element Q
2. element R
3. element Z
4. element G
Which of the elements shown would be chemically the most similar? [pt-22]
1. elements Q and R
2. elements R and A
3. elements M and X
4. elements G and M
Which of the elements shown are in the same period? [pt-23]
1. elements Q and R
2. elements R and A
3. elements M and X
4. elements G and M
Which of the elements shown are both likely to be metals? [pt-24]
1. elements Z and Y
2. elements Q and R
3. elements G and E
4. elements T and W
Which of the elements shown are both Halogen non-metals with 7 outer electrons? [pt-25]
1. elements Z and Y
2. elements Q and R
3. elements G and E
4. elements T and W
Which of the elements shown are both in Group 3? [pt-26]
1. elements Z and Y
2. elements Q and E
3. elements G and E
4. elements D and Y
Which of the elements shown are both Noble Gases? [pt-27]
1. elements Z and T
2. elements Q and R
3. elements G and E
4. elements T and W
Where in the Periodic Table are you MOST LIKELY to find an element that is a shiny solid and reacts fast with cold water? [pt-28]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
The Atomic Number of an element is? [pt-29]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of protons in the nucleus
4. the number of electrons in the outer shell
The Mass Number of an element is? [pt-30]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of protons in the nucleus
4. the number of electrons in the outer shell
Where in the Periodic Table are you MOST LIKELY to find an element that forms an alkaline hydroxide in water? [pt-31]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a soft silvery solid? [pt-32]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms an M⁺ ion? [pt-33]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is rapidly oxidised (corroded) in air? [pt-34]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a low melting solid and a good conductor of heat? [pt-35]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Four electron arrangements are given below.
Which is of an element in Group 5 of the Periodic Table? [pt-37]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is a Halogen? [pt-38]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is a Noble Gas? [pt-39]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is an Alkali Metal? [pt-40]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is of a Noble Gas? [pt-41]
1. 2
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Period 1 element? [pt-42]
1. 2
2. 2.3
3. 2.8.7
4. 2.8.8.1
Four electron arrangements are given below.
Which is of a Period 2 element? [pt-43]
1. 2
2. 2.3
3. 2.8.6
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Group 3 element? [pt-44]
1. 2
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Group 5 element? [pt-45]
1. 2
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Period 3 element? [pt-46]
1. 2.1
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Group 2 element? [pt-47]
1. 2
2. 2.3
3. 2.8.6
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Period 4 element? [pt-48]
1. 2
2. 2.4
3. 2.2
4. 2.8.8.2
Where in the Periodic Table are you MOST LIKELY to find a solid element that is a poor conductor of heat and electricity? [pt-51]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a very reactive non-metal? [pt-52]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that shows little reaction with other elements? [pt-54]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a colourless gas? [pt-55]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that has a full outer electron shell? [pt-56]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is used to provide an 'inert' atmosphere in welding? [pt-58]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a hard tough metal? [pt-60]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a high melting solid? [pt-61]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that forms a variety of coloured compounds? [pt-62]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that shows catalytic properties? [pt-63]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a strong dense solid? [pt-64]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that forms a coloured oxide used to stain glass windows? [pt-65]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Which of the following elements is a liquid non-metal at room temperature and pressure? [pt-66]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a solid non-metal at room temperature and pressure? [pt-67]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a solid metal at room temperature and pressure? [pt-68]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a liquid metal at room temperature and pressure? [pt-69]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a gas at room temperature and pressure? [pt-70]
1. nitrogen
2. sulphur
3. chromium
4. tin
Which of the following elements is a yellow solid non-metal at room temperature and pressure? [pt-71]
1. carbon
2. sulphur
3. chromium
4. tin
Which of the following elements is a shiny solid at room temperature and pressure? [pt-72]
1. carbon
2. sulphur
3. nickel
4. phosphorus
The diagram shows an outline of parts of the Periodic Table.
In which section will you find the most reactive metals? [pt-73]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of parts of the Periodic Table.
In which section will you find the Transition Metals? [pt-74]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of parts of the Periodic Table.
In which section will you find most of the non-metals? [pt-75]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of parts of the Periodic Table.
In which section will you find the Noble Gases? [pt-76]
1. section 1
2. section 3
3. section 4
4. section 5
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-77]
1. 'light' and 'caloric' are neither elements or compounds
2. sulphur, phosphorus and charcoal are 'acid making elements' because they react with water to form acids
3. not all the 'metallic elements' listed are true elements
4. some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-78]
1. 'light' and 'caloric' are an element and a compound respectively
2. sulphur, phosphorus and charcoal are 'acid making elements' because they form oxides which dissolve in water to form acids
3. not all the 'metallic elements' listed are true elements
4. some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-79]
1. 'light' and 'caloric' are an element and a compound respectively
2. sulphur, phosphorus and charcoal are acid making elements because they react with water to form acids
3. all the 'metallic elements' listed are true elements
4. some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-80]
1. 'light' and 'caloric' are an element and a compound respectively
2. sulphur, phosphorus and charcoal are acid making elements because they react with water to form acids
3. not all the 'metallic elements' listed are true elements
4. none of the 'earthy elements' really are elements
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-83]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Alkali Metals are missing
3. they were set out in order of atomic mass (atomic weight)
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement concerning Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-87]
1. the group known as the Alkali Metals are missing
2. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl
3. in the modern Periodic Table they are set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be XO3
Which statement is TRUE about the modern Periodic Table? [pt-92]
1. a group is a complete horizontal row of similar elements
2. a period is a vertical column of elements of different chemical character
3. elements behave in the same way when the same number of electron shells are used
4. about a 1/4 of the elements are non-metals
Which statement is TRUE about the modern Periodic Table? [pt-93]
1. a group is a vertical column of elements of similar chemical character
2. a period is a vertical column of elements of different chemical character
3. elements behave in the same way when the same number of electron shells are used
4. about a 3/4 of the elements are non-metals
Which statement is TRUE about the modern Periodic Table? [pt-94]
1. a group is a vertical column of very different elements
2. a period is a complete horizontal row of elements of different chemical character
3. elements behave in the same way when the same number of electron shells are used
4. about a 1/4 of the elements are metals
Which statement is TRUE about the modern Periodic Table? [pt-95]
1. a group is a vertical column of very different elements
2. a period is a complete horizontal row of elements of similar chemical character
3. elements behave in the same way when the outer shell contains the same number of electrons
4. about a 1/4 of the elements are metals
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-96]
1. he thought the 'earthy elements' were elements because many reacted with acids to form salts
2. sulphur, phosphorus and charcoal are acid making elements because they react with water to form acids
3. not all the 'metallic elements' listed are true elements
4. all of the 'earthy elements' are compounds
Which of the following is likely to be a Group 7 element? [pt-97]
1. a very toxic and reactive green gas
2. grey tough metal forming coloured compounds
3. readily corroded silvery solid that fizzes with water
4. an unreactive colourless gas
Which of the following is likely to be a Transition Metal? [pt-98]
1. a very toxic and reactive green gas
2. grey tough metal forming coloured compounds
3. readily corroded silvery solid that fizzes with water
4. an unreactive colourless gas
Which of the following is likely to be an Alkali Metal? [pt-99]
1. a very toxic and reactive green gas
2. grey tough metal forming coloured compounds
3. readily corroded silvery solid that fizzes with water
4. an unreactive colourless gas
Which of the following is likely to be a Noble Gas? [pt-100]
1. a very toxic and reactive green gas
2. low boiling liquid forming an unreactive gas
3. pale yellow reactive gas
4. an unreactive colourless gas
Which of the following is likely to be a Transition Metal? [pt-101]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
Which of the following is likely to be an Alkali Metal? [pt-102]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
Which of the following is likely to be a Halogen? [pt-103]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
Which of the following is likely to be in Group 0 (8)? [pt-104]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
The 'Alkali Metals' are all in the same Group of the Periodic Table because they are all? [pt-105]
1. have one electron in the outer shell
2. react fast with water to form an alkaline hydroxide
3. soft silvery solids
4. form an ionic chloride
The 'Halogen' non-metals are all in the same Group of the Periodic Table because they all? [pt-106]
1. form coloured vapours
2. have seven electrons in the outer shell
3. form ionic compounds with metals
4. react rapidly with hydrogen by sharing one electron
The 'Noble Gas' non-metals are all in the same Group of the Periodic Table because they all? [pt-107]
1. very unreactive elements
2. colourless gases
3. have a full outer shell of electrons
4. have a full inner shell of electrons
The 'Transition Metals' are all chemically similar because they? [pt-108]
1. are all strong metals due to strong chemical bonding
2. all have several free electrons per atom in the crystal strucure
3. are not very reactive metals
4. have similar electron structures
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-109]
1. the Noble Gas 'group' are missing
2. not all the halogens are correctly placed together in the same 'group'
3. not all the Alkali Metals are correctly placed together in the same 'group'
4. transition metals are at least separated from non-metallic elements
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-111]
1. some of the Noble Gas 'group' are included
2. not all the halogens are correctly placed together in the same 'group'
3. all the known Alkali Metals are correctly placed together in the same 'group'
4. transition metals are at least separated from non-metallic elements
Which will be the most likely charge on the ion formed by one atom of a Group 1 Alkali Metal? [pt-1]
1. +
2. 2+
3. -
4. 2-
Which will be the charge on the ion formed by one atom of a Group 2 metal? [pt-2]
1. +
2. 2+
3. -
4. 2-
Which will be the charge on the ion formed by one atom of a Group 7 Halogen? [pt-3]
1. +
2. 2+
3. -
4. 2-
Which will be the charge on the ion formed by one atom of a Group 6 non-metal? [pt-4]
1. +
2. 2+
3. -
4. 2-
Which electron arrangements is that of a Halogen? [pt-5]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which of the above electron arrangements corresponds to the most reactive metal? [pt-6]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which of the above electron arrangements corresponds to a non-metallic element? [pt-7]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which electron arrangement corresponds to the first element on period 2 of the Periodic Table? [pt-8]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which electron arrangement corresponds to the most reactive non-metallic element of the Periodic Table? [pt-9]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which of the above electron arrangements corresponds to a metal in Group 3 of the Periodic Table? [pt-10]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which electron arrangement corresponds to two elements in the same Group of the Periodic Table? [pt-11]
1. electron arrangements W and X
2. electron arrangemens X and Z
3. electron arrangements Y and Z
4. electron arrangements W and Z
Which electron arrangement corresponds to two very reactive metallic elements of the Periodic Table? [pt-12]
1. electron arrangements W and X
2. electron arrangemens X and Z
3. electron arrangements Y and Z
4. electron arrangements W and Z
Which electron arrangement corresponds to two elements on the same period of the Periodic Table? [pt-13]
1. electron arrangements W and X
2. electron arrangemens X and Z
3. electron arrangements Y and Z
4. electron arrangements W and Z
Where in the Periodic Table are you MOST LIKELY to find an element that exists as X₂ (diatomic) molecules? [pt-36]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms an X^- ion? [pt-49]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a dark red liquid? [pt-50]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms colourless ionic compounds with metals? [pt-53]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that exists as individual gaseous atoms? [pt-57]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is used to help stop bulb filaments from burning out? [pt-59]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-82]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Noble Gases are missing
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-83]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Alkali Metals are missing
3. they were set out in order of atomic mass (atomic weight)
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-84]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Alkali Metals are missing
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be XO2
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-85]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl4
2. the group known as the Halogens are missing
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-86]
1. the group known as the Alkali Metals are missing
2. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl4
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were Iodine (53) and Tellurium (52) not placed in this atomic mass order? [pt-88]
1. an error was made in the atomic mass measurement
2. not enough chemical data was known about iodine at that time
3. not enough chemical data was known about tellurium at that time
4. iodine is chemically more like bromine (35) and chlorine (17) than sulphur (16) or selenium (34)
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were Iodine (53) and Tellurium (52) not placed in this atomic mass order? [pt-89]
1. tellurium (52) is chemically more like sulphur (16) and selenium (34) than chlorine (17) or bromine (35)
2. an error was made in the atomic mass measurement
3. not enough chemical data was known about iodine at that time
4. not enough chemical data was known about tellurium at that time
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were potassium (19) and Argon (18) not placed in this atomic mass order? [pt-90]
1. not enough chemical data was known about argon at that time
2. argon (18) is chemically more like neon (10) and krypton (36) than sodium (11) or rubidium (37)
3. not enough chemical data was known about potassium at that time
4. an error was made in the atomic mass measurement
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were potassium (19) and Argon (18) not placed in this atomic mass order? [pt-91]
1. not enough chemical data was known about argon at that time
2. not enough chemical data was known about potassium at that time
3. potassium (19) is chemically more like sodium (11) and rubidium (37) rather than neon (10) or krypton (36)
4. an error was made in the atomic mass measurement
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-110]
1. some of the Noble Gas 'group' are included
2. all the known halogens are correctly placed together in the same 'group'
3. not all the Alkali Metals are correctly placed together in the same 'group'
4. transition metals are at least separated from non-metallic elements
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-112]
1. some of the Noble Gas 'group' are included
2. not all the halogens are correctly placed together in the same 'group'
3. not all the Alkali Metals are correctly placed together in the same 'group'
4. transition metals are not always separated from non-metallic elements

A GCSE/IGCSE Science-Chemistry multiple choice QUIZ on 'THE PERIODIC TABLE' (harder version) at Doc Brown's Chemistry Clinic

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