Strontium Oxide Has a Face Centered Cubic Unit Cell of Oxide

question 65

Multiple Choice

Strontium oxide has a face centered cubic unit cell of oxide ions with the strontium in octahedral holes.The radius of Sr²⁺ is 127 pm and the radius of O^2- is 135 pm.What is the density of strontium oxide? (100 cm = 1 $\times$ 10¹² pm)

• A) 0.209 g/cm³
• B) 1.20 g/cm³
• C) 2.39 g/cm³
• D) 3.59 g/cm³
• E) 4.78 g/cm³

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Definitions:

Individualist Cultures

Cultures that emphasize the importance of personal goals, autonomy, and individual achievement over group identity.

Group Judgment

The process of making decisions or forming opinions through consensus in a group, influenced by group dynamics and social factors.

Solomon Asch

A psychologist best known for his experiments in the 1950s on conformity, demonstrating the influence of group pressure on opinions.

Normative Social Influence

The influence of other people that leads us to conform in order to be liked and accepted by them.