Ch.2 - Atoms, Molecules & Ions
Chapter 2, Problem 71
At room temperature, a certain element is a colorless, unre-active gas. Is the element likely to be a metal, a nonmetal, or a semimetal?
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Textbook Question
At room temperature, a certain element is found to be a soft, silver-colored solid that reacts violently with water and is a good conductor of electricity. Is the element likely to be a metal, a nonmetal, or a semimetal?
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Textbook Question
At room temperature, a certain element is found to be a shiny, silver-colored solid that is a poor conductor of electricity. When a sample of the element is hit with a hammer, it shatters. Is the element likely to be a metal, a nonmetal, or a semimetal?
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Textbook Question
At room temperature, a certain element is yellow crystalline solid. It does not conduct electricity and when hit with a hammer, it shatters. Is the element likely to be a metal, a nonmetal, or a semimetal?
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Textbook Question
In which of the periodic groups 1A, 2A, 5A, and 7A is the first letter of all elements' symbol the same as the first letter of their name?
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Textbook Question
Which type of property—intensive or extensive—does not depend on the amount of substance present?
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Textbook Question
How does Dalton's atomic theory account for the law of mass conservation and the law of definite proportions?
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