Examlex
If you observe the spectrum of an isolated hot cloud of gas, you will see
Compound
A substance formed from two or more elements chemically united in fixed proportions.
Chloromethane
A colorless, flammable gas with a slight sweet odor, used in the production of silicones and butyl rubber.
Ethyne
A hydrocarbon compound with the formula C2H2, also known as acetylene, used as a fuel and a chemical building block.
Double Bonds
Chemical bonds between two chemical elements involving four bonding electrons instead of the usual two.
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