Three naturally occurring isotopes exist for a hypothetical element Athenium. 2.50% of Athenium atoms have a relative mass of 26.0 amu, 75.0% of Athenium atoms have a relative mass of 27.0 amu, and 22.5% of Athenium atoms have a relative mass of 28.0 amu. What is he average atomic mass of the element Athenium? O 27.3 amu 27.0 amu O 27.9 amu O 28.0 amu O 26.8 amu

Three naturally occurring isotopes exist for a hypothetical element Athenium. 2.50% of Athenium atoms have a relative mass of 26.0 amu, 75.0% of Athenium atoms have a relative mass of 27.0 amu, and 22.5% of Athenium atoms have a relative mass of 28.0 amu. What is he average atomic mass of the element Athenium? O 27.3 amu 27.0 amu O 27.9 amu O 28.0 amu O 26.8 amu

Living by Chemistry

2nd Edition

ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding

Section: Chapter Questions

Problem 11STP

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