Question

1. Determine the electronegativity between the atoms of each molecule.
CO2
H2O
NH3
CH4

2. Identify the bond as either ionic or covalent.
CO2
H2O
NH3
CH4

3. State whether the molecule is polar or non polar.
CO2
H2O
NH3
CH4

4. Identify the structure as having hydrogen bonding, dipole-dipole moments or London dispersion forces (LDF).
CO2
H2O
NH3
CH4

Answer 1

1
CO2 0.9
H2O 1.4
NH3 0.9
CH4 0
2
CO2 covalent
H2O covalent
NH3 covalent
CH4 covalent
3
CO2 non polar
H2O polar
NH3 polar
CH4 non polar
4
CO2 dipole to dipole
H2O hydrogen bonding
NH3 hydrogen bonding
CH4 dispersion

Answer 2

1.
CO2 0.9
H2O 1.4
NH3 0.9
CH4 0
2.
CO2 covalent
H2O covalent
NH3 covalent
CH4 covalent
3.
CO2 non polar
H2O polar
NH3 polar
CH4 non polar
4.
CO2 dipole to dipole
H2O hydrogen bonding
NH3 hydrogen bonding
CH4 dispersion
hope it helps