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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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Which is an example of a highly unstable isotope that is often used in fission reactions?
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Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.
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Which list only includes terms that describe oxygen, gas, and O2?
A. Compound, molecule, pure subst...
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