NaCl Binary Ionic Metal and non metal Cation anion(IDE)

Lithium Oxide Binary Ionic 1) Cation and Charge 2) Anion and Charge 3) Balance w/subscripts

Polyatomic Ionic -3 or more elements -Cation anion (IDE**) **Poly name never changes Na 2 SO 3

Potassium Carbonate Polyatomic Ionic –ATE or ITE 1) Cation and Charge 2) Anion and Charge 3) Balance w/subscripts use parenthesis if poly

CuCl 2 Transition metal Ionic – Ditch and non metal Cation(Roman Numerals**) anion(IDE) **Roman numerals = charge

Iron (III) Sulfide Transition metal Ionic – 1) Cation and Charge 2) Anion and Charge 3) Balance w/subscripts

P2O5P2O5 Covalent or Molecular Both Right side of stairs First element w/prefix** Second element IDE w/ prefix **No mono

Carbon Trioxide Covalent or Molecular Both Right side of stairs First element prefix = subscript Second element prefix = subscript

Na 2 SO 3

Ionic (no prefixes – poly do not change name) Sodium Sulfite

Sodium Iodide

Ionic (get charges and balance with subscripts) Na + I - NaI

NCl 3

Covalent (subscripts = prefixes) Nitrogen trichloride

Sulfur monoiodide

Covalent (subscripts = prefixes) SI

Mg 3 N 2

Ionic (No prefixes) First element Second element –ide Magnesium Nitride

Iron (II) Bromide

Ionic – get charge of ions (roman numeral = charge) Balance charge with subscripts Fe+ 2 Br - FeBr 2

Co 3 N

Strontium Bicarbonate

K3PK3P

K3PK3P Ionic (No prefixes) First element Second element –ide Potassium Phosphide

Calcium Chloride

RbOH

Ionic (no prefixes – poly do not change name) Rubidium Hydroxide

Potassium Sulfide

NaClO 2

Pentacarbon Trichloride

Covalent (subscripts = prefixes) C 5 Cl 3

FeN

Potassium Carbonate

CO 2

Covalent (subscripts = prefixes) Second element ends in -ide Carbon Dioxide

Diborn tetrasulfide

Cu 2 O

Nickel (I) Oxide

Ionic – get charge of ions (roman numeral = charge) Balance charge with subscripts Ni+ O -2 Ni 2 O

MgSO 4

Ionic (no prefixes – poly do not change name) Magnesium Sulfate

Cesium Phosphide

FeCl

Lithium Oxide

N2O3N2O3

N2O3N2O3 Covalent (subscripts = prefixes) Second element ends in -ide Dinitrogen trioxide

Sodium Bromate

Al(OH) 3

Ionic (no prefixes – poly do not change name) Aluminum Hydroxide

Aluminum sulfide

Ni 2 S 3

Iron (III) Oxide

Ionic – get charge of ions (roman numeral = charge) Balance charge with subscripts Fe+ 3 O -2 Fe 2 O 3

CCl 4

Covalent (subscripts = prefixes) Second element ends in -ide Carbon tetrachloride

Magnesium Chloride

CaSO 3

Ionic (no prefixes – poly do not change name) Calcium Sulfite

Aluminum Sulfate

Cs 3 N

Ionic (No prefixes) First element Second element –ide Cesium Nitride

Copper (III) Sulfide

Ionic – get charge of ions (roman numeral = charge) Balance charge with subscripts Cu+ 3 S -2 Cu 2 S 3

K 2 CO 3

Ionic (no prefixes – poly do not change name) Potassium Carbonate