How many neutrons does element X have if it's atomic number is 157

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asked May 15, 2018 131k views

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Andrea T · Answer 1 · 2018-05-21T07:49:08+0000

101 Neutrons

The number of neutrons in element X may be calculated by subtracting the number of protons ( 56 ) from the mass number ( 157 ).

157 - 56 = 101

How many neutrons does element X have if it's atomic number is 157

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