Justlearning45 Justlearning45

23-06-2017
Biology

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

Respuesta :

23-06-2017

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

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