乙烷

yǐwán

noun

Meanings

1 ethane

Characters

two-carbon (second Heavenly Stem)

Examples

HSK 6

乙烷是天然气的成分之一。

Yǐwán shì tiānránqì de chéngfen zhīyī.

Ethane is one of the components of natural gas.

HSK 7-9

工厂把乙烷加热裂解，得到乙烯。

Gōngchǎng bǎ yǐwán jiārè lièjiě, dédào yǐxī.

The plant heats ethane until it breaks down into ethylene.

Tips

memory

乙, the second Heavenly Stem, marks two carbons, and 烷 marks an alkane, so the series runs 甲烷 methane, 乙烷 ethane, 丙烷 propane, 丁烷 butane.

Stroke Order

乙 yǐ

烷 wán