Question

Chlorine atoms have $2$ isotopes: $Cl-35$ and $Cl-37$.
Which isotope is most abundant?

• A. $Cl-35$
• B. $Cl-37$
• C. Both are equally abundant
• D. There is not enough information to answer this question.

Answer 1

Answer: (A)

$Cl-35$

the element chlorine has 2 isotopes chlorine-35 and chlorine-37.
Now,$Cl-35$ has $75.78\%$ natural atom abundant and $Cl-35$ has $24.22\%$ natural atom abundance.
Thus,$Cl-35$ is more abundant.