Question

define atomic number in very simple method

Answer 1

Atomic Number: 

Atomic number of an neutral atom of an element is equal to the number of electrons or protons in an atom, because in a neutral atom number of electrons equal to number of protons.It is denoted by 'Z'.Atomic number = Number of protons or number of electronsExample:Hydrogen atom contains 1 proton, so its atomic number is 1.For krypton, Number of Protons = Atomic Number = 36

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Answer 2

atomic number is defined as the number of protons present in the nucleus of that atom