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:

Group Polarization

The phenomenon whereby a group's prevailing opinions or decisions become more extreme than the individual initial inclinations after group discussion.

Risky Shift

The phenomenon where groups make riskier decisions collectively than individuals would when making decisions alone.

Social Constructionism

The theory that social phenomena develop in social contexts as a result of human interpretation, interaction, and negotiation rather than inherent traits.

Normative Influence

The impact of the norms of a social group on an individual's behavior, driving conformity to group standards to gain acceptance or avoid social sanction.