A certain element X has four isotopes. • 4.350% of X has a mass of 49.94605 amu. • 83.79% of X has a mass of 51.94051 amu. • 9.500% of X has a mass of 52.94065 amu. 2.360% of X has a mass of 53.93888 amu. What is the average atomic mass of element X? Express your answer numerically to four significant figures. ► View Available Hint(s) 52.00 amu Submit Previous Answers Correct Part C What is the identity of element X from Part B? Express your answer as a chemical symbol.

A certain element X has four isotopes. • 4.350% of X has a mass of 49.94605 amu. • 83.79% of X has a mass of 51.94051 amu. • 9.500% of X has a mass of 52.94065 amu. 2.360% of X has a mass of 53.93888 amu. What is the average atomic mass of element X? Express your answer numerically to four significant figures. ► View Available Hint(s) 52.00 amu Submit Previous Answers Correct Part C What is the identity of element X from Part B? Express your answer as a chemical symbol.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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