Plagirism is Prohibited

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Question 1: Identify what you understand about nature of electricity, its uses and dangers. (10 MARKS)

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Question 2: Identify what you understand about chemical reactions and the value of radioactivity. (10 MARKS)

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Trinidad TremblayLv2

17 Dec 2019

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Little is known about the properties of astatine, At, because of its rarity and high radioactivity. Nevertheless, it is possible for us to make many predictions about its properties. (a) Do you expect the element to be a gas, liquid, or solid at room temperature? Explain. (b) Would you expect At to be a metal, nonmetal, or metalloid? Explain. (c) What is the chemical formula of the compound it forms with Na?