1. What is it called when a metal reacts with oxygen in the air to form an oxide layer?

Question 1 of 23

2. Which is more reactive: sodium, zinc, magnesium or aluminium?

Question 2 of 23

3. How are elements arranged in the periodic table?

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4. Which gas will bleach moist litmus paper?

Question 4 of 23

5. On the Periodic Table what is the meaning of the word Period? What does that tell us about the electron configuration of the atom?

Question 5 of 23

6. Which is less reactive: potassium or caesium?

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7. What is the chemical name of rust?

Question 7 of 23

8.

Explain, in terms of the arrangement of electrons in its atoms, why neon is very unreactive

Question 8 of 23

9. Why do elements in the same group of the periodic table have similar chemical properties?

Question 9 of 23

10.

If 2 similar test tubes contain acid, and a different metal sample is added to each, how might you tell which metal is more reactive?

Question 10 of 23

11. If pieces of lithium, potassium and sodium were added to water, how could observations of the different reactions indicate the relative reactivity of those 3 metals?

Question 11 of 23

12. Explain, by referring to the electronic configurations, why lithium is less reactive than sodium.

Question 12 of 23

13. Explain, by referring to the electronic configurations, why fluorine is more reactive than chlorine

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14. Write the word equation to represent the reaction between sulfuric acid and magnesium

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15. Where are metals found on the periodic table?

Question 15 of 23

16. Write the electronic configuration of argon

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17. State 4 observations when lithium reacts with water

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18. State the most reactive element in group 7

Question 18 of 23

19. An experiment investigates which of metals X and Z is more reactive. The result is X + ZSO₄ → X + ZSO₄. Which metal is more reactive?

Question 19 of 23

20. What colour and state is iodine at room temperature?

Question 20 of 23

21. Predict what colour and state is fluorine at room temperature

Question 21 of 23

22. What is galvanising?

Question 22 of 23

23. Which are described as basic: metal oxides or non-metal oxides?

Question 23 of 23