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 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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