jeremiahrecinos1 jeremiahrecinos1

21-08-2018
Biology

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How many neutrons does an element have if its atomic number is 46 and its mass number is 166?

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BiologiaMagister BiologiaMagister

21-08-2018

To find the number of neutrons in an atom, you subtract the atomic number (number of protons) from the atomic mass (aproximate weight of an atom = neutrons + protons). Therefore the number of neutrons is:

166 - 46 = 120

Hope it helped,

BioTeacher101

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