Name that element
Type of chemical reaction
outer electrons
What family
100

H

Hydrogen

100

ZnCl2 + Cu - CuCl +Zn

single replacement

100

Ag

1

100

Sodium(Na)

Alkaline metals

200

Fe

Iron

200

Li3N + KCl - LiCl +k3N

Double replacement 

200

Zn

2

200

Radium(Ra)

Alkaline earth metals

300

Pb

Lead

300

2NaCiO3 - NaCl + O2

Decomposition

300

Ga

3

300

Silver(Ag)

Transition metals

400

Ne

Neon

400

Mg + Cl2 - MgCl2

Synthesis

400

N

5

400

Chlorine(Cl)

Halogens

500

Xe

Xenon

500

2C2H6 + o2 - CO2 +H2O

Combustion

500

He

8

500

Krypton(Kr)

Nobel gases