2. Atoms & Elements
Atomic Mass
Problem 120a
Textbook Question
Textbook QuestionMagnesium has three naturally occurring isotopes: 24Mg (23.985) with 78.99% abundance, 25Mg (24.986) with 10.00% abundance, and a third with 11.01% abundance. Look up the atomic weight of magnesium, and then calculate the mass of the third isotope.
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