Neon has two isotopes and

CHEMISTRY · Single correct · A Level · Chemistry · Atomic structure · Atomic structure

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 (1) 1:9 (2) 9:1 (3) 7:3 (4) 8:2