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

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2. In the test of a gas, a glowing splint relights. What is the gas?

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3. Is the production of iron from iron ore oxidation or reduction?

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

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

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6. An experiment investigates which of metals X and Z is more reactive. The result is X + ZSO₄ → XSO₄ + Z. Which metal is more reactive?

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

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

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

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

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

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12.

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?

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13. Explain, in terms of electrons, why isotopes have the same chemical properties

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14. Put these 3 alkali metals in order of reactivity, starting with the most reactive: potassium, francium, lithium

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15. Which is more reactive: iron, copper, magnesium or aluminium?

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16. How many electron shells do the elements in the third period have?

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17. Name the substance with the brown colour that forms whem chlorine is added to potassium iodide solution

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18. Describe how the reaction of hydrochloric acid and various metals could be used to determine the relative reactivity of those metals

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19. State 5 observations when sodium reacts with water

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20. What are the elements in group 0 called?

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21. Do metals other than iron rust?

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22. On the Periodic table what is the meaning of the word Group?

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23. Where are the transition metals on the Periodic Table?

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