Given the atomic number and mass number of the following elements?

Question: Given the atomic number and mass number of the following elements?

Atomic no :- the no of proton in the nucleus of atom is known as atomic number 

Atomic mass :- it is the mass of the atom .

Some examples. (1) Clorine(cl) atomic no is 17. and mass no is 35.453. (2) Sodium (Na) atomic no is  11 and mass no is 22.98. (3) Potassium (K) atomic no is 19 and mass no is 39.098 (4) Iron(Fe) atomic no is 26 and mass no is 55.84. (5) Copper( cu) atomic no is 29 and mass no is 63.54.