Which of the following molecules has a bent shape? Н - 0
1+
H
H
O
OBF-BF
F
CO
Ni
CO
C.
CI

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Once similarity and one difference between a mixture of elements and a mixture of compounds