F11-1251-Exam_4A_Key

Atetrahedral boctahedral csquarepyramidal

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Unformatted text preview: e relative lattice energies of MgO and Na2O? (A) Only the charges contribute to MgO having a higher lattice energy. (B) Only the interionic distance contributes to MgO having a higher lattice energy. (C) Both the interionic distance and the charges contribute to MgO’s higher lattice energy. (D) Only the charges contribute to Na2O having a higher lattice energy. (E) Only the interionic distance contributes to Na2O having a higher lattice energy. ___A___ 11. Rank NaF, NaCl, NaBr in order of increasing lattice energy. (A) NaBr < NaCl < NaF (B) NaCl < NaBr < NaF (C) NaF < NaCl < NaBr (D) NaF < NaBr < NaCl (E) NaBr < NaF < NaBr ___D___ 12. Which of the following elements is HIGHEST in electronegativity? (A) Fr (B) H (C) C (D) F (E) Ne ___D___...
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