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Chemistry
Atomic mass of an element is not necessarily a whole number because
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Q. Atomic mass of an element is not necessarily a whole number because
Structure of Atom
A
It contains electrons, protons, and neutrons
B
It exists in allotropic forms
C
It contains isotopes
D
Atoms are no longer indivisible
Solution:
Atomic number
$=\frac{(\% \text{Abundance }) \times(\text { Isotope })_1+\%\text{ of} \text { (Isotope) }_2}{100}$