The Modern View of Atomic Structure; Atomic

Chapter , Problem 39E

(choose chapter or problem)

Naturally occurring magnesium has the following isotopic abundances:

Isotope

Abundance (%)

Atomic mass (amu)

\({ }^{24} \mathrm{Mg}\)

78.99

23.98504

\({ }^{25} \mathrm{Mg}\)

10.00

24.98584

\({ }^{26} \mathrm{Mg}\)

11.01

25.98259

(a) What is the average atomic mass of Mg? (b) Sketch the mass spectrum of Mg.

Equation Transcription:

Text Transcription:

^{24}Mg

 ^{25}Mg

 ^{26}Mg

Mg

Mg

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