Question

what is atomic number and mass number ?

Answer 1

atomic number is the number of proton present in an atom and atomic mass is the sum of proton and netron in an atom of any element .

Answer 2

heloo@

here is u r answer ##

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ATOMIC NUMBER -

THE NUMBER OF PROTON OR ELECTRON IN AN ATOM OF THE ELEMENT IS CALLED ATOMIC NUMBER WHICH IS DENOTED BY Z.


MASS NUMBER --

THE SUM OF NUMBER OR PROTONS AND NEUTRONS IN AN ATOM OF THE ELEMENT IS CALLED IS CALLED MASS NUMBER .IT IS DENOTED BY A.

OK HELP U..