Number of protons and electrons are same in atoms.Then why is it wrong to say that atomic number of an atom is equal to its number of electrons?

Dear Student,

It is not wrong to say atomic number of an element is equal to its number of electrons.
  • 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 electrons
  • Example:
  1. Hydrogen atom contains 1 proton, so its atomic number is 1.
  2. For krypton, Number of Protons = Atomic Number = 36





Hope this information will clear your doubts about the topic.

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