Carbon Compounds as Chains and Rings Flashcards

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In carbon compounds, what is meant by a "chain" of carbon atoms?

A chain is a set of carbon atoms joined one after another by covalent bonds.

Carbon can form many compounds because each atom can make four covalent bonds, so atoms can link into chains, branches and rings.

A hydrocarbon is a compound that contains only carbon and hydrogen atoms.

A ring (cyclic) carbon compound has its carbon atoms joined in a loop to form a ring.

In a straight-chain compound, the carbon atoms form one long line. In a branched chain, some carbon atoms stick out as side branches.

An alkane is a saturated hydrocarbon with only single bonds between its carbon atoms.

The general formula for alkanes is CnH2n+2, where n is the number of carbon atoms.

A simple ring alkane has two fewer hydrogen atoms, with the general formula CnH2n instead of CnH2n+2.

A displayed formula is a drawing that shows every atom and every covalent bond in a molecule.

As the length of a carbon chain increases, its melting and boiling points increase because the forces between molecules get stronger.

Structural isomers are molecules with the same molecular formula but different arrangements of their atoms.