Help Pls pls I will give brainlist

1. B
2. C = 18
H = 36
O = 2
3. B
4. C
5. O = 6
6. Yes

C=18
H=36
O=2
hope this helps

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

50? i have no !