2nd October 2019

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How are carbon 12 and 14 alike?

Carbon 12, carbon 13 and carbon 14 are isotopes of carbon. Isotopes have the same number of electrons and protons but they differ in the number of neutrons they have. Therefore the two similarities of all the three is the number of electrons and the number of protons that they have.

Correspondingly, what do all isotopes of the same element have in common?

The atoms of a chemical element can exist in different types. These are called isotopes. They have the same number of protons (and electrons), but different numbers of neutrons. Different isotopes of the same element have different masses.

What is the most common isotope of carbon?

The most common carbon isotope is carbon-12. Its name signifies that its nucleus contains six protons and six neutrons, for a total of 12.

What are the naturally occurring isotopes of carbon?

There are three naturally occurring isotopes of carbon: 12, 13, and 14. C and 13C are stable, occurring in a natural proportion of approximately 99:1. C is produced by thermal neutrons from cosmic radiation in the upper atmosphere, and is transported down to earth to be absorbed by living biological material.
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