Which compound has the highest melting point?
a) octane (c8h18), a molecular compound
b) carbon dioxide (co2), a common gas
c) water (h2o)
d) silicon carbide (sic), a network solid

a chemical reaction

explanation:

you didnt put any of the following

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.