Huá-hŏk-sék

${\ce {Al_2(SO_4)_3}}$

Chemical formula for Aluminium sulfate

${\ce {H-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-{\overset {\displaystyle H \atop |}{\underset {| \atop \displaystyle H}{C}}}-H}}$

Structural formula for butane

Huá-hŏk-sék (化學式), găk Ĭng-ngṳ̄ diē-sié hô̤ lā̤ chemical formula, sê sāi huá-hŏk nguòng-só gì hù-hô̤ gâe̤ng só-cê biēu-sê huá-hăk-ŭk hĕ̤k-ciā hŭng-cṳ̄ gì siŏh cṳ̄ng gó̤ng-sék.

Gái ché̤ṳ

• Hŭng-cṳ̄
• Huá-hŏk nguòng-só
• Nguòng-cṳ̄