Four pairs of isotopes are listed below

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

Problem

Four pairs of isotopes are listed below. For which pair would the *percentage* difference in their atomic masses be the greatest? (a)

^{235}\text{U}

\text{ and }

^{238}\text{U}

(b)

^{20}\text{Ne}

\text{ and }

^{22}\text{Ne}

(c)

^{1}\text{H}

\text{ and }

^{2}\text{H}

(deuterium) (d)

^{12}\text{C}

\text{ and }

^{13}\text{C}