Covalent Bonding Review
You will need: a white board, marker, paper towel & periodic table
Fill in the Blank
Atoms need ___ valence electrons in order to be stable.
8
Fill in the Blank
Atoms need 8 valence electrons in order to be stable. This is called the ____________ __________.
Octet Rule
Fill in the Blank
A ___________ covalent bond is formed when electrons are shared equally.
nonpolar
Fill in the Blank
A ___________ covalent bond is formed when electrons are shared unequally.
polar
Fill in the Blank
A ____________ ___________ compound usually contains carbon, hydrogen & oxygen. (from the last test)
Molecular covalent
Fill in the Blank
Metals have a _____ ____ _________ which allows them to be malleable and ductile. (from the last test)
Sea of Electrons
Fill in the Blank
Diamonds and sand are examples of __________ __________ compounds. (from the last test)
Network Covalent
Metal vs. Nonmetal
Identify the following as either a metal or a nonmetal:
Sodium
Metal
Metal vs. Nonmetal
Identify the following as either a metal or a nonmetal:
Cobalt
Metal
Metal vs. Nonmetal
Identify the following as either a metal or a nonmetal:
Sulfur
Nonmetal
Metal vs. Nonmetal
Identify the following as either a metal or a nonmetal:
Hydrogen
Nonmetal
Ionic vs. Covalent
Identify the following compounds as either ionic or covalent:
CO2
covalent
Ionic vs. Covalent
Identify the following compounds as either ionic or covalent:
MgCl2
ionic
Ionic vs. Covalent
Identify the following compounds as either ionic or covalent:
CuCl2
ionic
Ionic vs. Covalent
Identify the following compounds as either ionic or covalent:
PCl3
covalent
To Prefix or Not To Prefix???
What type of compounds use prefixes in their names?
Only covalent!!! Do not use prefixes for ionic compounds!
Names & Formulas
Write the name for the following compound: MgS
Magnesium sulfide
Names & Formulas
Write the name for the following compound: N2O
Dinitrogen monoxide
Names & Formulas
Write the name for the following compound: BeSO4
Beryllium sulfate
Names & Formulas
Write the name for the following compound: SF6
Sulfur hexafluoride
Names & Formulas
Write the name for the following compound: PCl5
Phosphorus pentachloride
Names & Formulas
Write the name for the following compound: FeCl3
Iron III chloride
Names & Formulas
Write the formula for the following compound: sodium oxide
Na2O
Names & Formulas
Write the formula for the following compound: carbon tetrachloride
CCl4
Names & Formulas
Write the formula for the following compound: nitrogen trihydride
NH3
Names & Formulas
Write the formula for the following compound: carbon monoxide
CO
Names & Formulas
Write the formula for the following compound: sodium sulfate (sulfate = SO4
-2)
Na2SO4
Names & Formulas
Write the formula for the following compound: diphosphorus pentoxide
P2O5
Names & Formulas
Write the formula for the following compound: sulfur dioxide
SO2