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What does the atomic number of an atom represent?

A. The number nucleons of an atom
B. The number of neutrons found inside its nucleus
C. The number of protons found at the center of an atom
D. The number of electrons an atom has outside its nucleus​


Sagot :

C. The number of protons found at the center of an atom

Explanation:

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).