1. State the methods of how the rusting of iron may be prevented

Question 1 of 23

2. Order these metals from the most reactive to the least: aluminium, calcium, copper, gold, iron, lithium, magnesium, potassium, silver, sodium, zinc

Question 2 of 23

3. 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 3 of 23

4. Describe the test for carbon dioxide gas

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5. Which is less reactive: potassium or caesium?

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

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7. What are the elements in group 0 called?

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8. On the Periodic table what is the meaning of the word Group? What does that tell us about the electron configuration of the atom?

Question 8 of 23

9. Why does chlorine react with hydrogen bromide?

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10. How many electrons in the outer shell of group 1 elements?

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11.

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 11 of 23

12. Write the chemical equation for the reaction betweem sodium and water

Question 12 of 23

13. Describe an experiment to show that iron rusts quicker in salt water than rain water

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14. How are elements arranged in the periodic table?

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15. What is reduced in this equation and what is meant by reduction? WO₃ + 3H₂ → W + 3H₂O

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

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17. Suggest how the reactivity of astatine compares to that of iodine. Explain your answer.

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18. Where are metals found on the periodic table?

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19. If pieces of lithium, potassium and sodium were cut and exposed to air, how could observations of the different reactions indicate the relative reactivity of those 3 metals?

Question 19 of 23

20. Are metal oxides acidic or basic?

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21. What is the colour and physical state of chlorine at room temperature?

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22. Write the word equation to represent the reaction between hydrochloric acid and calcium

Question 22 of 23

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

Question 23 of 23