09-09-2021
Chemistry

contestada

An atom has an atomic mass of 223 and an atomic number of 87. Calculate the number of neutrons.

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DavidWF DavidWF

09-09-2021

Answer:

136 neutrons

Explanation:

To find the number of neutrons of an atom, you subtract the atomic number (number of protons) from the atomic mass.

223 - 87 = 136

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