1. Describe the arrangement, movement and energy of the particles in a gas

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

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3. What is the atomic number of an oxygen atom?

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4. What is meant by the term exothermic?

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

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6. If an element conducts electricity, is it typically a metal or a non-metal?

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7. The diagram shows the conversions between various states of matter. What is represented by X, Y and Z?

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8. Which particle(s) in an atom has a positive charge?

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9. What is meant by the term compound?

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10. Balance the following equation: WO₃ + H₂ → W + H₂O

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11. Calculate the relative formula mass(Mr) of cobalt chloride crystals (CoCl₂.6H₂O)

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12. What is meant by the term atom?

Question 12 of 12