Rank the following molecules in order of increasing boiling point.

Question

NH3, CaCl2, Ar, CO, HF

This is what I have, am I correct or on the right track?

CaCl2, HF, NH3, CO, Ar

Answer 1

I think Ar is higher than CO.

Answer 2

ca,na,zn,cu,Ag,pd

Answer 3

at the right back