Choose from the following options :-

1. Choose from the following options :- Or click on one of the first 20 elements to take a look at its structure... Classification State at room temperature Reactivity

2. 1 2 3 4 5 6 7 8(0) The numbers down the side represent the ..................... Elements in these rows have this number of ....................... shells. E.g. Potassium in .................. 4 has 4 ................. shells. The numbers across the top represent the ..................... Elements in these columns have this number of ..................... In their outer shell. E.g. Potassium in .................. 1 has 1 .................... In its outer shell (the fourthshell because it is in .................... 4). 1 The Periodic Table 2 3 4 5 6 7

4. Metals

5. Metals Non-metals

6. Metals Non-metals Alkali metals

7. Metals Non-metals Alkali metals Alkaline earth metals

8. Metals Non-metals Alkali metals Alkaline earth metals Transition metals

9. Metals Non-metals Alkali metals Alkaline earth metals Transition metals Poor metals

10. Metals Non-metals Alkali metals Alkaline earth metals Transition metals Poor metals Noble Gases

11. Metals Non-metals Alkali metals Alkaline earth metals Transition metals Poor metals Noble Gases Halogens

12. Metals Non-metals Alkali metals Alkaline earth metals Transition metals Poor metals Noble Gases Halogens Lanthanoids Actonoids

14. Solid at room temperature and pressure

15. Solid at room temperature and pressure Liquid at room temperature and pressure

16. Solid at room temperature and pressure Liquid at room temperature and pressure Gas at room temperature and pressure

18. Metal Reactivity

19. Metal Reactivity Non-MetalReactivity

20. Metal Reactivity – down group Non-MetalReactivity – down group All elements – across periods

21. Decrease atomic number Increase atomic number H 1 1 • Strictly speaking not group 1 metal (alkaline) • Gas at r.t.p. • Colourless • Non-Metallic Decrease Period Increase Period Period 1 Group 1

22. Decrease atomic number Increase atomic number He 4 2 • Noble Gas • Gas at r.t.p. • Colourless • Odourless • Non-Metallic Decrease Period Increase Period Period 1 Group 8(0)

23. Decrease atomic number Increase atomic number Li 7 3 • Alkali metal • Solid at r.t.p. • Silver/White • Metallic Decrease Period Increase Period Period 2 Group 1

24. Decrease atomic number Increase atomic number Be 9 4 • Alkaline earth metal • Solid at r.t.p. • Dark grey • Metallic Decrease Period Increase Period Period 2 Group 2

25. Decrease atomic number Increase atomic number B 11 5 • Group 3 • Solid at r.t.p. • Black • Semi-Metallic Decrease Period Increase Period Period 2 Group 3

26. Decrease atomic number Increase atomic number C 12 6 • Group 4 • Solid at r.t.p. • Black (Graphite) • Colourless (Diamond) • Non-Metallic Decrease Period Increase Period Period 2 Group 4

27. Decrease atomic number Increase atomic number N 14 7 • Pnictogen • Gas at r.t.p. • Colourless • Odourless • Non-Metallic Decrease Period Increase Period Period 2 Group 5

28. Decrease atomic number Increase atomic number O 16 8 • Chalcogen • Gas at r.t.p. • Colourless as gas (liquid is pale blue) • Odourless • Non-Metallic Decrease Period Increase Period Period 2 Group 6

29. Decrease atomic number Increase atomic number F 19 9 • Halogen • Gas at r.t.p. • Pale Yellow • Non-Metallic Decrease Period Increase Period Period 2 Group 7

30. Decrease atomic number Increase atomic number • Ne 20 10 • Noble Gas • Gas at r.t.p. • Colourless • Odourless • Non-Metallic Decrease Period Increase Period Period 2 Group 8(0)

31. Decrease atomic number Increase atomic number • Na 23 11 • Alkali metal • Solid at r.t.p. • Silvery white • Metallic Decrease Period Increase Period Period 3 Group 1

32. Decrease atomic number Increase atomic number • Mg 24 12 • Alkali earth metal • Solid at r.t.p. • Silvery white • Metallic Decrease Period Increase Period Period 3 Group 2

33. Decrease atomic number Increase atomic number • Al 27 13 • Group 3 • Solid at r.t.p. • Silvery • Metallic Decrease Period Increase Period Period 3 Group 3

34. Decrease atomic number Increase atomic number • Si 28 14 • Group 4 • Solid at r.t.p. • Dark grey with bluish tinge • Semi-Metallic Decrease Period Increase Period Period 3 Group 4

35. Decrease atomic number Increase atomic number • P 31 15 • Pnictogen • Solid at r.t.p. • Red/white/colourless depending on form • Non-Metallic Decrease Period Increase Period Period 3 Group 5

36. Decrease atomic number Increase atomic number • S 32 16 • Chalcogen • Solid at r.t.p. • Lemon yellow • Non-Metallic Decrease Period Increase Period Period 3 Group 6

37. Decrease atomic number Increase atomic number • Cl 35 17 • Halogen • Gas at r.t.p. • Yellowish green • Non-Metallic Decrease Period Increase Period Period 3 Group 7

38. Decrease atomic number Increase atomic number • Ar 40 18 • Noble Gas • Gas at r.t.p. • Colourless • Non-Metallic Decrease Period Increase Period Period 3 Group 8(0)

39. Decrease atomic number Increase atomic number • K 39 19 • Alkali metal • Solid at r.t.p. • Silvery white • Metallic Decrease Period Increase Period Period 4 Group 1

40. Decrease atomic number Increase atomic number • Ca 40 20 • Alkali earth metal • Solid at r.t.p. • Silvery white • Metallic Decrease Period Increase Period Period 4 Group 2