1. 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 1 of 16

2. Which particle(s) in an atom has a negative charge?

Question 2 of 16

3. On the Periodic Table what is the meaning of the word Period?

Question 3 of 16


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

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5. What is meant by the term atom?

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6. Describe the formation of a covalent bond

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7. What colour is anhydrous copper (II) sulfate?

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

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9. Why is the melting point of a smaller molecule lower than that of a larger molecule?

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10. Give the definition of a covalent bond

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11. Explain why methane gas, CH₄, is a gas at room temperature

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

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

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14. In the dot and cross diagram of the outer electrons showing the covalent bonding of ammonia (NH₃), how many electrons should be shown in areas 1, 2, 3 and 4?

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15. How many protons in a fluorine atom?

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

Question 16 of 16