summary non metals- notes

Non-metals



1- Non-metals have different physical and chemical properties to metals.
2- You can prepare oxygen, carbon dioxide, hydrogen and ammonia gases in the laboratory.
3- Ammonia can be oxidized to nitric acid.
4- Ammonium nitrate is both a fertilizer and an explosive.
5- Cooling air gives liquid air which can be separated.
6- Sulphur forms allotropes.