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Chapter 3 - Atomic Structure and the Periodic Table Flashcards | StudBud
Chapter 3 - Atomic Structure and the Periodic Table
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Element Y has 4 isotopes: 41% at mass 121, 21% at 122, 20% at 123 and the rest at 124 amu. Solve average atomic mass:
A
123.65
B
109.75
C
99.83
D
122.15
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correct · 0:00
