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Periodic table - A comparison of the elements in Period 4 potassium to krypton

Doc Brown's Chemistry  Advanced Level Inorganic Chemistry Periodic Table Revision Notes

Part 6.1 Revising Survey of individual elements of Period 4

A very brief description of each element in period 4 with links to more detailed notes.

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All my periodic table advanced A level chemistry revision notes

All my advanced A level inorganic chemistry revision study notes

GCSE Level periodic table revision notes


6.1 Survey of Period 4 elements K to Kr (18 elements Z = 19 to 36)


Z = 19 Potassium in Group 1 Alkali Metals


Z = 20 Calcium in Group 2 Alkaline Earth Metals


Z = 21 Scandium in 3d–block


Z = 22 Titanium in 3d–block – Transition Element


Z = 23 Vanadium in 3d–block – Transition Element


Z = 24 Chromium in 3d–block – Transition Element


Z = 25 Manganese in 3d–block – Transition Element


Z = 26 Iron in 3d–block – Transition Element


Z = 27 Cobalt in 3d–block – Transition Element


Z = 28 Nickel in 3d–block – Transition Element


Z = 29 Copper in 3d–block – Transition Element


Z = 30 Zinc in 3d–block element


Z = 31 Gallium in Group 3/13


Z = 32 Germanium in Group 4/14


Z = 33 Arsenic in Group 5/15


Z = 34 Selenium in Group 6/16


Z = 35 Bromine in Group 7/17 The Halogens


Z = 36 Krypton in Group 0/18 The Noble Gases

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PLEASE NOTE GCSE Level periodic table notes are on separate webpages

Period 2-4 survey sub-index: 4.1 Period 2 Survey of the individual elements, 4.2 Period 2 element trends and explanations of physical properties * 4.3 Period 2 element trends in bonding, structure, oxidation state, formulae & reactions, 5.1 Period 3 survey of elements, 5.2 Period 3 element trends & explanations of physical properties, 5.3 Period 3 element trends in bonding, structure, oxidation state, formulae & reactions, 6.1 Survey of Period 4 elements, 6.2 Period 4 trends in physical properties, 6.3 Period 4 trends in bonding, formulae and oxidation state, 6.4 Important element trends down a Group

Advanced Level Inorganic Chemistry Periodic Table Index: Part 1 Periodic Table history Part 2 Electron configurations, spectroscopy, hydrogen spectrum, ionisation energies * Part 3 Period 1 survey H to He * Part 4 Period 2 survey Li to Ne * Part 5 Period 3 survey Na to Ar * Part 6 Period 4 survey K to Kr AND important trends down a group * Part 7 s–block Groups 1/2 Alkali Metals/Alkaline Earth Metals * Part 8  p–block Groups 3/13 to 0/18 * Part 9 Group 7/17 The Halogens * Part 10 3d block elements & Transition Metal Series * Part 11 Group & Series data & periodicity plots All 11 Parts have their own sub-indexes near the top of the pages

Group numbering and the modern periodic table

The original group numbers of the periodic table ran from group 1 alkali metals to group 0 noble gases. To account for the d block elements and their 'vertical' similarities, in the modern periodic table, groups 3 to group 0 are numbered 13 to 18. So, the p block elements are referred to as groups 13 to group 18 at a higher academic level, though the group 3 to 0 notation is still used, but usually at a lower academic level. The 3d block elements (Sc to Zn) are now considered the head (top) elements of groups 3 to 12.

Doc Brown's Chemistry for revising Advanced Level Inorganic Chemistry Periodic Table Revision Notes. Website content © Dr Phil Brown 2000+. All copyrights reserved on Doc Brown's chemistry revision notes, images, quizzes, worksheets etc. Copying of Doc Brown's website material is NOT permitted. Advanced level revision notes on the trends and patterns in the periods and groups of the periodic table.

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