Lithium Forms Compounds Which Are Used in Dry Cells and Storage

question 46

Multiple Choice

Lithium forms compounds which are used in dry cells and storage batteries and in high-temperature lubricants. It has two naturally occurring isotopes, ⁶Li (isotopic mass = 6.015121 amu) and ⁷Li (isotopic mass = 7.016003 amu) . Lithium has an atomic mass of 6.9409 amu. What is the percent abundance of lithium-6?

• A)92.50%
• B)86.66%
• C)46.16%
• D)7.503%
• E)6.080%

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Definitions:

Improvisation

The act of creating or performing something spontaneously or without preparation.

Spontaneous

Occurring without external cause, force, or planning; arising naturally or impulsively.

Imaginative

Characterized by the ability to think of new and original ideas or concepts beyond conventional patterns.

Improvisation

The act of creating or performing something spontaneously without prior preparation.