rjw12600 rjw12600

04-01-2019
Advanced Placement (AP)

contestada

How many neutrons does an element have if its atomic number is 40 and its mass number is 156?

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angelalovelis angelalovelis

04-01-2019

116 neutrons.

To find the neutrons of an element, you simply have to subtract the mass number and atomic number. 156 - 40 is 116.

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