Answered: polonium with an atomic radius of .19nm…

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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Question

polonium with an atomic radius of .19nm is the only element to crystallize a simple cubic structure under ambient conditions. Determine the linear density of the atoms

Expert Solution

Step 1: Calculation of mass:

Given:

radius of Polonium (r) = 0.19 nm

Atomic mass of Polonium is 209 amu.

To convert this mass into grams, divide it by Avogadro's number ( $6.022 space cross times space 10 to the power of negative 22 end exponent$ )

$M a s s space equals space fraction numerator 209 over denominator 6.022 space cross times space 10 to the power of negative 22 end exponent end fraction space space space space space space space space space space space equals space space space 3.47 space cross times space 10 to the power of 22 space g$

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