Europium can have a 2+ or a 3+ charge. which one of the following below is not possible

1. EuSO4
2.Eu2(SO4)3
3.EuPO4
4.Eu(NO3)3
5.EuHCO3

Which of the compounds below would not have hydrogen bonding as an intermolecular attractive force
1. H-O-CH3
2CH3-CH2-Ch2-O-CH3
3.NH3
4.H2O
5.CH3-NH2

3 answers

I answered both of these for you. The first one last night and the second one about 10 minutes ago.
they all have a H or a OH on the end are am im missing something
You are missing something although I didn't give very good directions. #2 is an ether and has the O in the middle. Most ethers are not low on the totem pole as polar compounds.

What about the first question?