Huá-hŏk-sék
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

Huá-hŏk
Huá-hŏk-sék