1. Al
2. Fe
3. O2
4. Ni
Ni
1. PbO2
2. Na2O2
3. MnO2
4. TiO2
Na2O2
1. Halogens
2. Alkali metals
3. Alkaline earthmetals
4. Transition element
Halogens
1. 90.20
2. 109028’
3. 1200
4. 94.80
94.80
1. 3000
2. 400
3. 4000
4. 5000
4000
1. H2S
2. HF
3. VH0.6
4. (AlH3)n
HF
1. Aristotle
2. Henry Cavendish
3. Antoine Lavoisier
4. Urey
Henry Cavendish
1. +1
2. -1
3. +2
4. -2
-1
1. Halogenation
2. Hydrogenation
3. Oxidation
4. Occlusion
Hydrogenation
1. H2 is oxidized
2. O2 is oxidized
3. Hydrogen is reduced
4. None of these
H2 is oxidized