Exhibit 21-1 The Following Question(s) Pertain to Gallium Which Has a Simple

question 7

Multiple Choice

Exhibit 21-1
The following question(s) pertain to Gallium which has a simple cubic unit cell. It has a molar mass of 69.72 g·mol^-1 and a density of 5.91 g·cm^-3.
Refer to Exhibit 21-1. What is the diameter of a single Gallium atom?

• A) 2.70 Å
• B) 1.35 Å
• C) 1.63 Å
• D) 2.44 Å

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