Student Resources

POLYATOMIC IONS

Study the following monatomic and polyatomic ions:

Group 1 Metals +1

Group 2 Metals +2

Group 17 Nonmetals -1

Group 16 -2

Group 15 -3

Ag⁺¹, Al⁺³, Zn⁺²

Ammonium (NH₄)⁺¹ Carbonate (CO₃)^-2

Hydrogen Carbonate (HCO₃)^-1

Hydroxide (OH)^-1 Sulfate (SO₄)^-2

Nitrate (NO₃)^-1 Phosphate (PO₄)^-3

You can practice using quizlet. Click on the link below:

http://quizlet.com/33368501/polyatomic-ions-flash-cards/

SOLUBILITY RULES

Study the Solubility Rules and apply these rules to predict the precipitate in a double replacement reaction:

1. All nitrates are soluble.

2. All compounds (salts) of Group 1 (Na₊, K⁺, Li⁺) and ammonium (NH₄⁺) are soluble.

3. All chlorides are soluble EXCEPT AgCl, PbCl₂ and Hg₂Cl_2.

4. All sulfates are soluble EXCEPT BaSO₄, SrSO₄, CaSO₄, PbSO₄, Ag₂SO₄, HgSO_4.

5. INSOLUBLES (solid, will not dissolve) are the hydroxides (OH)^-1, carbonates (CO₃)^-2, and sulfides S^-2 except when they are combined with Group I and

ammonium.

You may practice using quizlet http://quizlet.com/35950494/flashcards

or by using this document Solubility Rules Practice

http://www.youtube.com/watch?v=gb08mO1O-cM

STRONG ACIDS

Hydrochloric acid HCl

Hydrobromic acid HBr

Hydroiodic acid HI

Nitric acid HNO₃

Perchloric acid HClO₄

Sulfuric acid H₂SO₄ (only the first H+)

STRONG BASES

Sodium hydroxide NaOH

Lithium hydroxide LiOH

Potassium hydroxide KOH

Strontium hydroxide Sr(OH)₂

Barium hydroxide Ba(OH)₂