Question

Definition of Atomic Number
What is atomic number?​

Answer 1

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➡️Atomic number is the number of protons in that element of the normal atom's nucleus.

➡️Mendeleev sees that the number of electrons and neutrons of an atom are often unstable, and the number of protons are the most stablist.

Answer 2

Answer:

Definition of Atomic Number

The atomic number of a chemical element is the number of protons in the nucleus of an atom of the element. It is the charge number of the nucleus since neutrons carry no net electrical charge. ... The modern periodic table is ordered by increasing atomic number.