Define atomic number.
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1
Answer:
The number of protons that a chemical element has in its centre ( nucleus) is known as atomic number.
Answered by
0
Answer:
atomic number is defined as the number of electron or Proton in an atom.
atomic number is defined as the number of electron or Proton in an atom.ATOMIC NUMBER= NO. OF ELECTRON OR PROTON
It is denoted by Z
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