Question

The atomic number of an element is numerically equal to the number of_______​

Answer 1

Answer:

Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number.

Explanation:

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Answer 2

Answer:

" protons "

The atomic number of an element is numerically equal to the number of protons .

Example =>

Sodium ( Na ) -

Atomic number = 11

electronic configuration = 2 , 8 , 1

Number of protons = 11

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