A Certain Solid Metallic Element Has a Density 7

question 21

Multiple Choice

A certain solid metallic element has a density 7.87 g/cm³ and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. Calculate the number of atoms per unit cell.

• A)1
• B)2
• C)3
• D)4
• E)6

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Definitions:

CIO

Congress of Industrial Organizations, a federation of unions that organized workers in industrial unions in the United States and Canada from 1935 until its merger with the AFL in 1955.

Operation Dixie

A campaign launched by the Congress of Industrial Organizations in the 1940s aimed at unionizing industrial workers across the Southern United States, facing considerable resistance.

CIO

Congress of Industrial Organizations, an federation of unions that organized workers in industrial unions in the United States and Canada from 1935 until 1955.

Interracial Workforce

A workforce composed of employees from various racial backgrounds working together in a professional environment.