I think it is B: Compounds because it says whit forms when two or more elements combine chemically and the key word of compounds is: combine. So yeah, hope this helps.
answered: Guest
Its strengthits conductivity of heat and electricity its shiny colourmalleable and ductility
Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds