Question

what are atomic number?

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Answer 1

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).

Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.

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Answer 2

Answer:

The total number of protons present in the nucleus of every atom of a chemical element represents the atomic number of that element. Each element is characterized by a unique atomic number. It is represented by the letter “Z.”

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