Do carbons form four ionic bonds in its compound?

Answer 1

Carbon has the ability to have four bond sites, however, sometimes, such as in CO2, there are sets of lone pairs where bonding can occur, but has yet to happen.

Answer 2

No, carbon typically forms covalent bonds rather than ionic bonds in its compounds. Carbon is more likely to share electrons with other atoms to complete its valence shell rather than gaining or losing electrons to form ions.