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The element X has two naturally occurring isotopes: X50 (relative abundance = 30.15%, mass = 50.3) X57 (relative abundance = 69.85%, mass = 56.7) What is the average atomic mass of the element X?

The element X has two naturally occurring isotopes: X50 (relative abundance = 30.15%, mass = 50.3) X57 (relative abundance = 69.85%, mass = 56.7) What is the average atomic mass of the element X?

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter4: The Structure Of The Atom
Section4.3: How Atoms Differ
Problem 19PP
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Question 20 The element X has two naturally occurring isotopes: X50 (relative abundance = 30.15%, mass = 50.3) X57 (relative abundance = 69.85%, mass = 56.7) What is the average atomic mass of the element X? A. 2739 B. 54.8 C. 5477 OA OBOCOD What is the systematic name for the compound CC14? a) monocarbon tetchloride c) tetrachloride carbon OA OB OC OD Question 21 D. 27.4 b) carbon tetrachloride d) carbon trichloride
Transcribed Image Text:Question 20 The element X has two naturally occurring isotopes: X50 (relative abundance = 30.15%, mass = 50.3) X57 (relative abundance = 69.85%, mass = 56.7) What is the average atomic mass of the element X? A. 2739 B. 54.8 C. 5477 OA OBOCOD What is the systematic name for the compound CC14? a) monocarbon tetchloride c) tetrachloride carbon OA OB OC OD Question 21 D. 27.4 b) carbon tetrachloride d) carbon trichloride
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