Which substance would have the highest melting point, based on electronegativity?

H2S
H2O
H2Se
H2Te

H20?

Hydrogen bonds can be found between molecules of which of the following substances?

HI

CH4

H2

NH3

not sure

2 answers

Will be h2O and hidrogen will found between CH4
No H bonds in CH4. NH3 is the answer.