Chemistry

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}

^{20}\text{Ne}

\text{ and }

^{22}\text{Ne}

^{1}\text{H}

\text{ and }

^{2}\text{H}

(deuterium) d)

^{12}\text{C}

\text{ and }

^{13}\text{C}