Chemistry

Problem

Neon has two isotopes

\text{Ne}^{20}

and

\text{Ne}^{22}

. If atomic weight of Neon is 20.2, the ratio of the relative abundances of the isotopes is 1:9 9:1 7:3 8:2 a. 1:9 b. 9:1 c. 7:3 d. 8:2