Name the Element
Name the Chemical Formula
Types of Reactions
Color Changes
100
O

Oxygen

100

Water

H2O

100

HCl + KOH -> KCl + H2O

Neutralization

200

Cl

Chlorine

200

Tablesalt

NaCl

200

C(graphite) + O2(g) -> CO2(g)

Formation

300

Ag

Silver

300

Ammonia

NH3

300

C2H4 + Br2 -> C2H4Br2

(Electrophilic) Addition

400

Sn

Tin

400

Limewater

Ca(OH)2

400

Na -> Na+ + e-

(First) Ionization

500
Cs

Caesium

500

Sulfurous Acid

H2SO3

500

2C2H6 + 6O2 -> 2CO + 2CO2 + 6H2O

Incomplete Combustion

500

Oxidation of KMnO4 solution

Purple -> Colorless