Beth2527 Beth2527

07-05-2019
Physics

contestada

How many neutrons does element X have if it’s atomic number is 28 and it’s mass number is 81?

Respuesta :

07-05-2019

Answer:

53

Explanation:

M-A=N

Mass-Atomic #= Neutrons

81-28= 53

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emily246810 emily246810

07-05-2019

The answer is 53,hope this help

Answer Link

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