How many protons, electrons and neutrons are in the isotope 13C ?

Hey there!

We can tell from the information we are given that the sum of protons and neutrons is 13, there is 6 protons since it is a carbon atom, and there is no charge which means the number of protons is equal to the number of electrons.

6 + n = 13

n = 7

The number of protons is equal to the number of electrons, so there is 6 electrons.

The isotope 13C has 6 protons, 6 electrons, and 7 neutrons.

Hope this helps!

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