yy04momo2 yy04momo2

21-05-2019
Chemistry

contestada

How many neutrons does element X have if its atomic number is 25 and its mass number is 91?

Respuesta :

destiq20 destiq20

21-05-2019

Answer:

66

Explanation:

The number of neutrons is the atomic number (25) subtracted from the mass (91). So, 91 - 25 = 66.

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