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Chapter 2.1 Concept Check

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T
T.A. Ferdie

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An atom is composed of subatomic particles proton, electron, and neutrons. What is the charge of an electron?

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What do you call the variant forms of the same element that differ in the number of neutrons?

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What happens when chemical bonding occurs?

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What type of chemical bonding occurs between non-metal elements, such as the bonding between carbon and hydrogen, where electrons are shared rather than donated or received?

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What do you call the molecules or compounds that enters or starts a chemical reaction?

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What type of chemical reaction is illustrated in the chemical equation below?

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What do you call the substances that increase the rate of a reaction without being consumed in the process?

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Fats and oils are compounds that repel water. What term is used to describe substances like these?

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Which of the following is NOT a characteristic of carbon as a fundamental element of life?

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Which of the following is INCORRECT paring?

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