Ionic Covalent compounds
Polyatomic ions
Acid
Hydrates
100

BrCl5

Bromine pentachloride 

100

NH4Cl

Ammonium chloride 

100

HF

Hydrofluoric acid

100

CoCl2*6H2O

Calcium (II) chloride hexahydrate

200

As3P5

Triarsenic pentaphosphide

200

Silver chromate

Ag2CrO4

200

Means acid

200

Hydrates contain 

Water molecules 

300

IF7

Iodine Heptafluoride

300

Lead (II) Nitrate

Pb(NO3)2

300

HCl

Hydrochloric acid

300

Mono

1

400

AlBr3

Aluminum bromide 

400

Potassium sulfide 

K2S

400

Oxyacid

Contains hydrogen and an oxyanion 

400

Penta

5

500

TiO2

Titanium (IV) Oxide 

500

BaS

Barium sulfide 

500

Hydrosulfuric acid

H2S

500

Deca

10