Other Vocabulary-1

甲乙丙 烷，其中丙烷最重要，天然气的成分。

1.Methane

Methane is a chemical compound with the chemical formula CH₄. It is a group-14 hydride and the simplest alkane, and is the main constituent of natural gas.

Formula:CH4

2. Ethane is an organic chemical compound with chemical formula C₂H₆. At standard temperature and pressure, ethane is a colorless, odorless gas.

Formula:C2H6

3. Propane

Propane is a three-carbon alkane with the molecular formula C₃H₈, a gas, at standard temperature and pressure, but compressible to a transportable liquid.

Formula:C3H8