Ionic Formulas
Ionic Names
Covalent Formulas
Covalent Names
Polyatomic Ions
100

Sodium Chloride

NaCl

100

KF

Potassium Fluoride


100

Dinitrogen Trioxide

N2O3

100

SiF4

Silicon Tetrafluoride

100

Ammonium

NH4+

200

Strontium Fluoride

SrF2

200

CaS

Calcium Sulfide

200

Phosphorous trifluoride

PF3

200

NO2

Nitrogen Dioxide

200

Phosphate

PO43-

300

Barium Nitride

Br3N2

300

NiCl2

Nickel (II) Chloride

300

sulfur pentoxide

SO5

300

HI

Hydrogen Iodide

300

SO42-

Sulfate

400

Iron (III) Bromide

FeBr3

400

Mg(OH)2

Magnesium Hydroxide

400

Diboron tetrahydride

B2H4

400

Si2Br6

disilicon hexabromide

400

ClO2-

Chlorite

500

Mercury (II) Phosphide

Hg3P2

500

Ag3N2

Silver (II) Nitride

500

Silicon Dioxide

SiO2

500

PI3

Phosphorous triiodide 

500

Acetate

CH3COO-