1. Be < Sr < Ca < Mg
2. Ba > Mg > Ca > Sr
3. Ra > Sr > Ca > Mg
4. Mg < Ca < Sr < Ba
Mg < Ca < Sr < Ba
1. Phosphate
2. Sulphate
3. Chloride
4. Nitride
Chloride
1. Forming covalent halides
2. Forming polymeric hydrides
3. Exhibiting maximum covalency in compounds
4. Exhibiting amphoteric nature in their oxides
Exhibiting maximum covalency in compounds
1. Francium
2. Calcium
3. Magnesium
4. Potassium
Calcium
1. Baking soda
2. Hydrous washing soda
3. Charcoal ash
4. Soda ash
Soda ash
1. Li
2. Ba
3. Ce
4. Ra
Li
1. Mg
2. Ba
3. Rb
4. Ra
Rb
1. Li3N
2. LiN3
3. LiN2
4. Li2N
Li3N
1. Be
2. Mg
3. Ca
4. Ba
Be
1. Reaction between dinitrogen and dihydrogen does not take place
2. Reaction between dinitrogen and dioxygen does not take place
3. Reaction between dinitrogen and atmosphere does not take place
4. Hydrogen does not escape out in the air
Reaction between dinitrogen and dioxygen does not take place