Question

3. What type of chemical bond holds the atoms of water molecule together?
a. Hydrogen bond
b. lonic bond
c. Polar covalent bond
d. Nonpolar covalent bond
4. Which of the following molecule is nonpolar?
a. Naci
b. HCI
C. CO
d. NH.
5. What is the electronegativity difference of C-O?
a. O
b. 0.5
c. 1.0
d. 1.5​

Answer 1

3. Polar covalent bond

4. CO ( Carbon dioxide )

5. 0 ( Zero )