banderson211568 banderson211568

14-01-2022
Chemistry

contestada

If an element has a mass number of 222 and an atomic number of 86, how
many neutrons does the element have? *
86
136
138
137

Respuesta :

duckerstar146 duckerstar146

14-01-2022

Answer:

136

Explanation:

The Mass Number is the combination of the amount of Protons and Neutrons in an element, so if the total mass is 222, and the amount of protons is 86, then you can do 86 + x = 222 to find that x is equal to 136

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