Chemistry, Please Help!?

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Chemistry, Please Help!?

Which of the following substances would have the highest melting points?

BF ( F sub 3)
NaF
H (sub 2) O
HF

Which one of the following substances would likly be the best conductor of electricity in the pure liquid state?

Br (sub 2)
PCl (Cl sub 2)
BaF (F sub 2)
CH ( H sub 4)
H (sub 2) O

Thanks in advance!

2007-12-14 08:15:26 · 1 answers · asked by C-B 2 in Science & Mathematics ➔ Chemistry

1 answers

1.) NaF, because it's an ionic solid. The others are covalent.

2.) BaF2 for the same reason.

2007-12-14 08:36:00 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋