2nd October 2019

15

How many protons are in a carbon atom?

6

Likewise, people ask, how many electrons are in C 14?

Atoms of carbon-12 have 6 neutrons, while atoms of carbon-14 contain 8 neutrons. A neutral atom would have the same number of protons and electrons, so a neutral atom of carbon-12 or carbon-14 would have 6 electrons.

How many protons are in an atom of carbon 13?

Since both are neutral, we know that each has 6 electrons as well. The sum of protons plus neutrons equals the mass number 12 in 12C, so carbon-12 has 12 – 6 protons = 6 neutrons. The sum of protons plus neutrons equals the mass number 13 in 13C, so carbon-13 has 13 - 6 protons = 7 neutrons.
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