Sugar and salt
The most common compounds of fluorine in the crust of the Earth are mineral salts such as calcium fluoride.
Some common compounds containing nitrogen include: nitrous oxide (N2O), nitric oxide (NO), nitrous anhydride (N2O3), nitrogen dioxide (NO2), and nitric anhydride (N2O5), nitrogen trifluoride (NF3),...
Whats a cobalt, how can I answer the question if i don't know what it means
PoO2, PoO3, PoH2, PoHal2, PoHal4, PoHal6; Hal can be F, Cl, Br or I.