An element's atomic number is 86. how many protons would an atom of this element have

This element have 86 numbers of protons.

Explanation:

Atomic number is defined as the number of protons or number of electrons that are present in an atom.

It is denoted by Z.

Atomic number = Number of electrons = Number of protons

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

It is denoted by A.

Mass number = Number of protons + Number of neutrons

We have, element whose atomic number is 86.

Atomic number = Number of protons = 86

This element have 86 numbers of protons.

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