Which bond is most polar?
a) n -h
b) c -h
c) o -h
d) h -h
can anyone explain this one?

What is common about these molecules? a. their atoms are held together by covalent bonds. b. they are all made up of the same two atoms. c. their atoms are held together by ionic bonds. d. they are all made up of oxygen atoms only.

What is the equilibrium constant of aa+bb=cc+dd

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.