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Chemistry, 05.12.2020 03:20 Metlife

Number of neutrons = 11 . Number of 7 protons number = Mass number Number of neutrons = Number of protons = 10 mass number = 20 Number of neutrons = 9 Number of protons = Mass number = 17

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Number of neutrons = 11 . Number of 7 protons number = Mass number Number of neutrons = Number of...
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