AP BIOLOGY

Detailed explanation-1: -ACETYLENE, klumene or ethine, a gaseous compound of carbon and hydrogen, represented by the formula C 2 H 2. It is a colourless gas, having a density of 0.92.

Detailed explanation-2: -Elements that are gases at room temperature are all nonmetals (such as He, Ar, N2, O2, and so on). Compounds that are gases at room temperature are all covalent compounds (such as CO2, SO2, and NH3) that contain two or more nonmetals.

Detailed explanation-3: -acetylene, also called Ethyne, the simplest and best-known member of the hydrocarbon series containing one or more pairs of carbon atoms linked by triple bonds, called the acetylenic series, or alkynes.