1. NaCl CO2 H2O Al Type of Bond Properties Example Ionic Covalent
Chemical Bond Properties
Type of Bond
Properties
Example
Ionic
1) Crystalline solids (made of ions)
2) High melting and boiling points
3) Conduct electricity when melted or dissolved in H2O
4) Many soluble in water
5) Generally formed from opposite sides of the periodic table (metals – nonmetals)
NaCl
Salt
Covalent
1) Gases, liquids, or solids (made of molecules)
2) Low melting and boiling points
3) Poor electrical conductors in all phases
4) Many soluble in nonpolar liquids but not in water
CO2
Carbon dioxide
Polar Covalent
1) Polar covalent molecules are affected by electrostatic fields
2) Have higher melting and boiling points than covalent bonds
3) Good solvent for ionic molecules
H2O
Water
Metallic
1) Good conductors of heat and electricity
2) Bonds are not rigid - malleable and ductile
3) High boiling point
4) Shinny – electrons absorb light and re-emit at a different wavelength Al
Aluminum foil