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