Calculate the electronegativity differences between the following atoms:

Question

1.C-H
2.O-H
3.C-O

Answer 1

Get your electronegativity chart, and calculate. I am certain you can do it.

Answer 2

Do I have to add c and h number together?

Answer 3

The problem you posted says to calculate the electronegativity differences. Differences means you subtract doesn't it.