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A colorless, heavier-than-air gas with a pungent odor.

One of the allotropes of phosphorus.

The fourth member in the homologous series of alkanes.

The simplest amino acid.

An allotrope of oxygen, consisting of 3 oxygen atoms.

One of the isomers of pentenes.

A white, waxy substance, a carboxylic acid of high carbon number.

A colorless gas with a pungent odor, its solution in water is called hydrochloric acid.

Member of the cycloalkane homologous series.

The monomer of polypropylene.

The fifth member in the alkane homologous series. A colorless, combustible liquid.

The simplest representative of ketones.

One of the isomers of pentene.

colorless, odorless, lighter-than-air gas. The most common chemical element in the universe.

One of the isomers of pentenes.

The best known of ethers.

One of the isomers of pentenes.

The simplest of the aromatic carboxylic acids.

One of the most important esters, produced by the reaction of ethanol and acetic acid.

Chloromethane can be prepared by heating a mixture of methane and chlorine.

A biologically and practically important organic compound.

The simplest aldehyde.

A compound ion generated when a proton is added to an ammonia molecule.

One of the halogens, it may cause skin irritation.