An element, X has the following isotopic composition

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

Problem

^{200}X: 90\%

^{199}X: 8\%

^{202}X: 2.0\%

. The weighted average atomic mass of the naturally occurring element X is closest to (1) 201 amu (2) 202 amu (3) 199 amu (4) 200 amu