Which of the following solids would have the highest melting point? NaF NaCl NaB

Question

Which of the following solids would have the highest melting point? NaF NaCl NaBr NaI The number of resonance structures for the nitrate ion that satisfy the octet rule is 1 2 3 4 None of these The total number of valence electrons in the compound NH4NO3 is 28 30 32 42 80 Nitrous oxide, N2O, is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? (The atom connectivity is N- N-O.) -2 -1 0 +1 +2

Explanation / Answer

6. ----> D

7. -----> C

8. ----> C

9. ----> E

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