Element A has 15 protons. Determine the number of neutrons in its isotope with mass number 33.

asked Oct 28, 2017 176k views

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4 votes

Mass number - protons = neutrons

33 - 15 = 18

The number of neutrons here would be: 18

Xhg answered Oct 28, 2017

by Xhg

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3 votes

Isotope of element A has a similar number of protons but different number of neutrons and atomic mass.
33-15= 18 neutrons

Kees Koenen answered Nov 1, 2017

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