Sodium Oxide (Na₂O)crystallizes in a Structure in Which the O^2-

question 32

Multiple Choice

Sodium oxide (Na₂O) crystallizes in a structure in which the O^2- ions are in a face-centered cubic lattice and the Na⁺ ions are in tetrahedral holes.The number of Na⁺ ions in the unit cell is:

• A)2
• B)4
• C)6
• D)8
• E)none of these

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