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Physics, 09.07.2019 18:50 journeyhile5

3) the atomic number of magnesium is 12. this means that its nucleus must contain a) 6 protons and 6 neutrons. b) 6 neutrons and 6 electrons. \c) 12 neutrons and no protons. d) 12 protons and no electrons.

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3) the atomic number of magnesium is 12. this means that its nucleus must contain a) 6 protons and...
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