1. Describe the test for carbon dioxide gas

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

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3. Explain how galvanising prevents rusting

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

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

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6. If an element doesn't conducts electricity, is it a metal or a non-metal?

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7. Put these 3 alkali metals in order of reactivity, starting with the least reactive: sodium, rubidium, lithium

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8. Write the word equation for the formation of rust

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

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

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

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

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13. Explain, by referring to the electronic configurations, why potassium is more reactive than sodium.

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14. 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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15.

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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16. What type of reaction occurs if you put a chlorine with a solution of sodium bromide?

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17. Complete the equation for the reaction by inserting the state symbols: 2Li(....) + 2H₂O(....) → 2LiOH(...) + H₂(....)

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

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19. Which is more reactive: magnesium, lithium, calcium or adamantium?

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20.

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

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

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22. Explain why bromine is less reactive than chlorine

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23.

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?

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