Periodic Table KS3
Across
- 4. This group 7 element kills bacteria in swimming pools. (8)
- 7. The reactivity of these elements _______________ as you go down the group. (9)
- 8. These elements are all good conductors of electricity. (6)
- 9. This physical property means metals can be hammered into shape. (9)
- 10. This gas is used in respiration. (6)
- 13. The alkaline product formed when sodium reacts with water. (6,9)
- 15. This element is in periodic 4 and group 7. (8)
- 18. The vertical columns are called _________. (6)
- 19. Elements found in Group 1 of the periodic table. (6,6)
- 20. The horizontal rows are called _________. (7)
Down
- 1. Elements in the periodic table are arranged by _______ ________. (6,6)
- 2. The surname of the scientist who rearranged the order of elements in the periodic table. (9)
- 3. This metal is used in electrical wiring. (6)
- 5. Elements found in Group 7 of the periodic table. (8)
- 6. Group 0 elements have this property because their atoms have full outer energy levels(shells). (9)
- 11. This metal is used to make jewellery. (4)
- 12. This group 0 element is used in party balloons. (6)
- 14. This physical property means metals can be drawn into wires. (7)
- 16. This chemical property decreases as you go down Group 7. (10)
- 17. Elements found in Group 0 of the periodic table. (5,5)