Chapter 3 - Atomic Structure and the Periodic Table Flashcards | StudBud

Home Library Explore SAT

Home Library Explore SAT

Chapter 3 - Atomic Structure and the Periodic Table Flashcards | StudBud

Chapter 3 - Atomic Structure and the Periodic Table

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Question

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:

Answer

122.15

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