Atomic number of an atom is equal to the __________. - Vidyadip

MCQ

Atomic number of an atom is equal to the __________.

A
Number of protons.
B
Number of electrons.
C
Both a and b.
D
Sum of proton and electron.

✓

Answer

Both a and b.

Explanation:

Atomic number (Z) is the number of protons in an atom. It is also equal to the number of electrons in the atom.

Atomic number = number of protons

Example: the atomic number of an element is 12, then, its atom contains 12 protons and 12 electrons.

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