KS3 Science-Chemistry Quiz on "ATOMS and ELEMENTS" (based on QCA 8E)

Which word means the 'smallest particle of a substance'? [8e-1]
1. atom
2. molecule
3. symbol
4. formula
Which word means 'a larger particle formed by bonding together the smallest particles of substances'? [8e-2]
1. atom
2. molecule
3. symbol
4. formula
Which word means the 'shorthand for a chemical element'? [8e-3]
1. atom
2. molecule
3. symbol
4. formula
Which word means 'a summary of the number of atoms of each element in a compound'? [8e-4]
1. atom
2. molecule
3. symbol
4. formula
Which of these is an element? [8e-5]
1. Cu
2. CO
3. MgO
4. H₂O
Which of these is an element? [8e-6]
1. CoO
2. Mg
3. CO₂
4. NaCl
Which of these is an element? [8e-7]
1. CoO
2. MgS
3. O₂
4. NaCl
Which of these is an element? [8e-8]
1. KCl
2. MgS
3. F₂O
4. P₄
Which of these is a compound? [8e-9]
1. CO₂
2. Co
3. F₂
4. P₄
Which of these is a compound? [8e-10]
1. Co
2. MgO
3. F₂
4. P₄
Which of these is a compound? [8e-11]
1. Fe
2. Co
3. CO
4. H₂
Which of these is a compound? [8e-12]
1. Fe
2. Co
3. Ca
4. H₂O
Which of these is an element? [8e-13]
1. nitrogen
2. carbon monoxide
3. water
4. petrol
Which of these is an element? [8e-14]
1. nitrogen monoxide
2. magnesium
3. water
4. alcohol
Which of these is an element? [8e-15]
1. water
2. magnesium oxide
3. bromine
4. alcohol
Which of these is an element? [8e-16]
1. water
2. magnesium oxide
3. brass
4. copper
Which of these is a compound? [8e-17]
1. carbon monoxide
2. magnesium
3. brass
4. bromine
Which of these is a compound? [8e-18]
1. carbon
2. water
3. copper
4. bromine
Which of these is a compound? [8e-19]
1. carbon
2. phosphorus
3. copper oxide
4. bromine
Which of these is a compound? [8e-20]
1. brass (alloy)
2. phosphorus (red)
3. copper (roofing)
4. ethanol (alcohol)
Which of these words means 'one type of atom only'? [8e-21]
1. element
2. compound
3. reactant
4. product
Which word means 'two or more types of atom combined together'? [8e-22]
1. element
2. compound
3. reactant
4. product
Which word means 'what you start with in a chemical reaction'? [8e-23]
1. element
2. compound
3. reactant
4. product
Which word means 'the result of a chemical reaction'? [8e-24]
1. element
2. compound
3. reactant
4. product
Which is the chemical symbol for carbon? [8e-25]
1. C
2. Ca
3. Cr
4. Co
Which is the chemical symbol for calcium? [8e-26]
1. C
2. Ca
3. Cu
4. Co
Which is the chemical symbol for copper? [8e-27]
1. CO
2. Ca
3. Cu
4. Co
Which is the chemical symbol for cobalt? [8e-28]
1. CO
2. Ca
3. Cu
4. Co
Which picture represents a mixture of two compound molecules? [8e-29]
Which picture represents molecules of a pure element? [8e-30]
Which picture represents a mixture of molecules of two elements? [8e-31]
Which picture represents a molecule mixture of two elements and one compound? [8e-32]
Which picture represents a mixture of atoms of an element and molecules of a compound? [8e-33]
Which picture represents atoms of a pure element? [8e-34]
Which picture represents a mixture of atoms of an element and molecules of another element? [8e-35]
Which picture represents molecules of a pure compound? [8e-36]
Which picture represents a mixture of atoms of two elements? [8e-37]
Which picture represents a mixture of molecules of an element and molecules of a compound? [8e-38]
Which picture best represents pure water? [8e-39]
Which picture best represents oxygen dissolved in pure water? [8e-40]
Which is likely to consist of one element? [8e-41]
1. gold ring
2. duralumin hi fi chassis
3. bronze statue
4. pure quartz crystal
Which is likely to consist of one element? [8e-42]
1. duralumin hi fi chassis
2. aluminium pan
3. bronze statue
4. pure quartz crystal
Which is likely to consist of one element? [8e-43]
1. duralumin hi fi chassis
2. bronze statue
3. yellow rock sulphur
4. pure quartz crystal
Which is likely to consist of one element? [8e-44]
1. brass rivet
2. bronze statue
3. pure quartz crystal
4. silver plate
Which statement is TRUE ? [8e-45]
1. most elements are metals
2. most metals are magnetic
3. there are about 1000 different elements in the Periodic Table
4. there are no liquid elements at room temperature and pressure
Which statement is TRUE ? [8e-46]
1. most elements are non-metals
2. most metals are non-magnetic
3. there are about 1000 different elements in the Periodic Table
4. there are no liquid elements at room temperature and pressure
Which statement is TRUE ? [8e-47]
1. most elements are non-metals
2. most metals are magnetic
3. there are about 100 different elements in the Periodic Table
4. there are no liquid elements at room temperature and pressure
Which statement is TRUE ? [8e-48]
1. most elements are non-metals
2. most metals are magnetic
3. there are about 1000 different elements in the Periodic Table
4. there are a few liquid elements at room temperature and pressure
Which element is a liquid metal at room temperature and pressure? [8e-49]
1. mercury
2. bromine
3. phosphorus
4. nickel
Which element is a liquid non-metal at room temperature and pressure? [8e-50]
1. mercury
2. bromine
3. oxygen
4. nickel
Which element of the Periodic Table is a colourless non-metal gas? [8e-51]
1. mercury
2. bromine
3. nitrogen
4. nickel
Which element of the Periodic Table is a solid magnetic metal? [8e-52]
1. mercury
2. bromine
3. sulphur
4. nickel
The product of burning magnesium in air is? [8e-53]
1. magnesium oxide
2. oxygen magneside
3. magnesium hydroxide
4. milk of magnesia
The product of heating an iron-sulphur mixture is called? [8e-54]
1. iron sulphate
2. iron sulphide
3. sulphuric iron
4. sulphide of iron
The product of heating sodium in chlorine is called? [8e-55]
1. sodium chlorate
2. chloro sodium
3. sodium chloride
4. chloric sodiumate
The product of burning hydrogen in air is? [8e-56]
1. oxohydrogen
2. hydrogen peroxide
3. hydrogen hydroxide
4. water
What is formed when carbon burns in excess air? [8e-57]
1. carbon dioxide
2. carbon oxide
3. carbon monoxide
4. oxygen carbonate
What is formed when silvery zinc is heated in green chlorine gas? [8e-58]
1. zinc chlorate
2. zinc chloride
3. chlorozincate
4. chloride of zinc
What is formed after heating a sulphur-copper mixture? [8e-59]
1. copper sulphate
2. sulphonium cuprate
3. copper sulphide
4. sulphate of copper
When copper is heated in a bunsen flame it forms a black solid.
What is the name of the compound formed? [8e-60]
1. copper nitride
2. copper hydroxide
3. copper carbide
4. copper oxide
The formula for sulphuric acid is H₂SO₄.
What is the ratio of H : S : O atoms in the molecule? [8e-61]
1. 2 : 1 : 4
2. 1 : 2 : 4
3. 2 : 4 : 4
4. 2 : 2 : 4
The formula for calcium carbonate is CaCO₃.
What is the ratio of Ca : C : O atoms in the formula? [8e-62]
1. 1 : 3 : 3
2. 1 : 1 : 3
3. 3 : 3 : 1
4. 3 : 1 : 1
The formula for sodium sulphate is Na₂S₂O₃.
What is the ratio of Na : S : O atoms in the formula? [8e-63]
1. 3 : 2 : 2
2. 3 : 3 : 2
3. 2 : 2 : 3
4. 2 : 3 : 3
The formula for copper sulphate is CuSO₄.
What is the ratio of Cu : S : O atoms in the formula? [8e-64]
1. 1 : 4 : 4
2. 4 : 4 : 4
3. 4 : 3 : 4
4. 1 : 1 : 4
Which of the following reactions involves the chemical change ...
two elements ==> compound? [8e-65]
1. zinc + sulphur ==> zinc sulphide
2. oxygen + copper sulphide ==> copper sulphate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following reactions involves the chemical change ...
element + compound ==> compound? [8e-66]
1. zinc + sulphur ==> zinc sulphide
2. oxygen + copper sulphide ==> copper sulphate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following reactions involves the chemical change ...
two compounds ==> two compounds? [8e-67]
1. zinc + sulphur ==> zinc sulphide
2. oxygen + copper sulphide ==> copper sulphate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following reactions involves the chemical change ...
compound ==> two elements? [8e-68]
1. zinc + sulphur ==> zinc sulphide
2. oxygen + copper sulphide ==> copper sulphate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following is the chemical symbol for the element potassium? [8e-69]
1. K
2. Pt
3. Po
4. P
Which of the following is the chemical symbol for the element nitrogen? [8e-70]
1. No
2. N
3. Ne
4. Ni
Which of the following is the chemical symbol for the element magnesium? [8e-71]
1. Mn
2. Mo
3. Mg
4. Md
Which of the following is the chemical symbol for the element aluminium? [8e-72]
1. Am
2. Ar
3. As
4. Al
Which element is a solid magnetic metal at room temperature? [8e-73]
1. iron
2. sulphur
3. mercury
4. oxygen
Which element is a yellow solid non-metal room temperature? [8e-74]
1. iron
2. sulphur
3. mercury
4. oxygen
Which element is the only liquid metal at room temperature? [8e-75]
1. iron
2. sulphur
3. mercury
4. oxygen
Which element is a colourless gaseous non-metal at room temperature? [8e-76]
1. iron
2. sulphur
3. mercury
4. oxygen
Which element is a green non-metal gas? [8e-77]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which element is a silvery grey solid metal? [8e-78]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which element is a dark red liquid non-metal at room temperature? [8e-79]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which element is a very soft silvery solid metal at room temperature? [8e-80]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-81]
1. metals are good conductors of heat
2. metals have low melting and boiling points
3. non-metals are good conductors of electricity
4. non-metals have high densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-82]
1. metals are poor conductors of heat
2. metals have high melting and boiling points
3. non-metals are good conductors of electricity
4. non-metals have high densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-83]
1. metals are poor conductors of heat
2. metals have low melting and boiling points
3. non-metals are poor conductors of electricity
4. non-metals have high densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-84]
1. metals are poor conductors of heat
2. metals have low melting and boiling points
3. non-metals are good conductors of electricity
4. non-metals have low densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-85]
1. metals are good conductors of electricity
2. metals have low densities
3. non-metals are good conductors of heat
4. non-metals have high melting and boiling points
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-86]
1. metals are poor conductors of electricity
2. metals have high densities
3. non-metals are good conductors of heat
4. non-metals have high melting and boiling points
Which statement is USUALLY TRUE about metallic and non-metallic elements? [8e-87]
1. metals are poor conductors of electricity
2. metals have low densities
3. non-metals are poor conductors of heat
4. non-metals have high melting and boiling points
Which statement is USUALLY TRUE about metallic and non-metallic elements? [8e-88]
1. metals are poor conductors of electricity
2. metals have low densities
3. non-metals are good conductors of heat
4. non-metals have low melting and boiling points
Which is the chemical symbol for the element iron? [8e-89]
1. Fe
2. F
3. Ir
4. I
Which is the chemical symbol for the element zinc? [8e-90]
1. ZnO
2. Zn
3. ZnS
4. ZrC
Which is the chemical symbol for the element chlorine? [8e-91]
1. Co
2. Cr
3. Cl
4. Ce
Which is the chemical symbol for the element sodium? [8e-92]
1. S
2. Sm
3. Sn
4. Na
Which statement is TRUE about the Periodic Table of Elements? [8e-93]
1. metals are mostly on the left and in the middle
2. all non-metals are in the middle
3. there are about 1000 different elements
4. about 1/2 of the elements are metals
Which statement is TRUE about the Periodic Table of Elements? [8e-94]
1. metals are mostly in the middle and on the right
2. all non-metals are on the right
3. there are about 500 different elements
4. about 1/4 of the elements are metals
Which statement is TRUE about the Periodic Table of Elements? [8e-95]
1. metals are mostly in the middle and on the right
2. all non-metals are on the left
3. about 1/4 are non-metals
4. about 1/2 of the elements are metals
Which statement is TRUE about the Periodic Table of Elements? [8e-96]
1. metals are mostly in the middle and on the right
2. all non-metals are in the middle
3. there are about 50 different non-metals
4. about 3/4 of the elements are metals
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-97]
1. almost all metals are silvery shiny solids
2. most non-metallic elements are dull solids
3. most metals like aluminium and copper are magnetic
4. it is impossible for a non-metal to be magnetic
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-98]
1. only a few metals like aluminium and silver are silvery shiny solids
2. there are only a few non-metallic elements which are dull solids
3. most metals like aluminium and copper are magnetic
4. it is impossible for a non-metal to be magnetic
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-99]
1. only a few metals like aluminium and silver are silvery shiny solids
2. most non-metallic elements are dull solids
3. a few metals like iron and nickel are magnetic
4. it is impossible for a non-metal to be magnetic
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-100]
1. only a few metals like aluminium and silver are silvery shiny solids
2. most non-metallic elements are dull solids
3. most metals like aluminium and copper are magnetic
4. it is possible for a non-metal to be magnetic

KS3 Science-Chemistry Quiz on "ATOMS and ELEMENTS" (based on QCA 8E)

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