Question

I WANT THE ATOMIC MASS....NOT IN DECIMAL BUT IN WHOLE NUMBER(NEAREST)​​

Answer 1

Answer:

THESE ARE YOUR ANSWERS

Atomic mass of an element is not a whole number because It contains isotopes.

For example, chlorine has two isotopes

17

35

Cl and

17

37

Cl with natural abundances in the approximate ratio of 3:1. Hence, the average atomic mass of chlorine is approximately 35.5 g/mol.