When one carbon atom is bonded with several other carbon atoms in a single line, then how is the structure described?

Which substances have the lowest melting points: ionic covalent, or metallic

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose

Achemist needs to prepare a buffer solution of ph 8.80. what molarity of nh3 (pkb = 4.75) is required to produce the buffer solution if the (nh4)2so4 in the solution is 1.8 m?