Polyatomic Ions

Formula

100

NH₄⁺

Ammonium

200

OH^-

Hydroxide

300

O₂^-2

Peroxide

400

C₂H₃O₂^-

Acetate

500

ClO^-

Hypochlorate

Formula

100

ClO₂^-

Chlorite

200

ClO₃^-

Chlorate

300

ClO₄^-

Perchlorate

400

CrO₄^-2

Chromate

500

MnO₄^-

Permanganate

Name

100

Dichromate

Cr₂O₇^-

200

Cyanide

CN^-

300

Carbonate

CO₃^-2

400

Ammonia

NH₃

500

Sulfuric Acid

H₂SO₄  

Name

100

Acetic Acid

HC₂H₃O₂

200

Phosphoric Acid

H₃PO₄

300

Hydrochloric Acid

HCl

400

Phosphate

PO₄^-3

500

Sulfate

SO₄^-2

Random Sports

100

The Las Vegas Raiders of the NFL have played in two other cities. What are they?

Oakland and Los Angeles

200

On August 24th, 1919, the pitcher of the Cleveland Indians was struck by lightning while on the mound during the 9th inning. He was knocked unconscious, recovered, and finished the game, securing a 2-1 win. What was his name?

Ray Caldwell

300

The Arizona Cardinals were originally in a different location. Where did they play before Arizona?

St. Louis (like the baseball team)

400

Before they were the Oklahoma City Thunder, what was the teams name and in which city did they play?

Seattle Super Sonics

500

Before they were the Indianapolis Colts, which city did the NFL team call home?

Baltimore (until the 1980's)