Chemistry, asked by shalinicmary, 5 months ago

the atomic mass numbers of an atom is 39. it's atomic number is 19 the atom has _neutrons

Answers

Answered by katy23

0

Explanation:

no. of protons = 19

no. of neutrons = atomic mass no. - no. of protons

= 39-19 = 20 neutrons

hope it helps

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