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The astronaut then measures the abundance of silicon on the new planet, obtaining the following results:
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The astronaut then measures the abundance of silicon on the new planet, obtaining the following results:

User Tristar Web Design
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The astronaut then measures the abundance of magnesium on the new planet, obtaining the following results:
Isotope Abundance (%) Mass (amu)
24Mg 78.99 23.99
25Mg 10.00 24.99
26Mg 11.01 25.98

The atomic mass of magnesium for this planet = 24.31 amu
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