Which of the following is not true of carbon? (2 points) it can form rings. it has a valance of four. it forms strong ionic bonds. it can bond to form long chains.

It forms strong ionic bonds.

Explanation:

C is an electronegative element. C has four valance electrons. C shares its electrons with other non metals to form covalent bonds.  C forms four covalent bonds to complete an octet.  

C does not form ionic bonds. Ionic bonds are mostly formed by alkali metals, alkaline earth metals and halogens.  

Carbon does form cyclic or ring compounds such as in benzene and benzene derivatives.  

Carbon forms long chain such as in alkanes, alkenes and alkynes.  

the answer is barium and copper bromide