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Jchanis15 Jchanis15
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7 months ago
What is the mass number of an atom that contains 23 protons, 23 electrons, and 28 neutrons?

▸ 5

▸ 28

▸ 51

▸ 74
Textbook 
Foundations of College Chemistry

Foundations of College Chemistry


Edition: 15th
Authors:
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clubber25clubber25
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7 months ago
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Brilliant
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2 hours ago
Good timing, thanks!
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