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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
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Jul 8, 2016
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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
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Dutch Masters
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The atomic mass number is the number of neutrons and protons, and the atomic number is just the number of protons. Therefore, subtract the atomic mass number (35) from the atomic number (17) to find the number of neutrons. 35 - 17 = 18.
Mohammed Awney
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Jul 14, 2016
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