•
Remember as strength of forces increase
have higher m and b pts.
•
Therefore
•
and
•
and
•
Notice that we are comparing like species,
•
But what about HF, HCl, HBr, HI
and H
2
O, H
2
S, H
2
Se, H
2
Te
and NH
3
, PH
3
, AsH
3
and SbH
3
.
•