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Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
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In one or two grammatically correct sentences, write a definition for the term molecule geometry
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Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass
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Explain how a suspension differs from a colloid....
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