Calculate the Average Atomic Mass of Lithium Using the Following

question 168

Multiple Choice

Calculate the average atomic mass of lithium using the following data: $\begin{array}{|l|l|l|}\hline \text { Isotope } & \text { Abundance } & \text { Mass } \\\hline ^{6} \mathrm{Li} & 7.5 \% & 6.0151~ \mathrm{amu} \\\hline ^7 \mathrm{Li} & 92.5 \% & 7.0160 ~\mathrm{aum} \\\hline\end{array}$

• A) 6.51 amu
• B) 6.02 amu
• C) 6.94 amu
• D) 7.02 amu
• E) 6.50 amu

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Definitions:

Defensive Body Positions

Physical stances taken by individuals that indicate discomfort, disinterest, or readiness to protect oneself from perceived threats or conflicts.

Leaning Forward

This refers to a nonverbal communication gesture indicating interest, attentiveness, and engagement in the ongoing interaction.

Uncrossed Arms

a body language sign that indicates openness, receptiveness, or a non-defensive attitude.

Personal Space

The physical distance individuals prefer to maintain between themselves and others to feel comfortable and secure.