Chit-sò͘

Sò͘-ha̍k lāi ê sò͘-sò͘ mā ū kóng chit-sò͘.

N (Latin-gí: nitrum) ia̍h hō chò chek-sò͘/chit-sò͘ (窒素).

Kó͘-chá lâng chai-iáⁿ khong-khì tiong ū 1 ê mi̍h ē hō͘ tōng-bu̍t cha̍t-khùi, mā ē kā hoé hip hoa--khì, só͘-í āu--lâi kā hō chò "chek-sò͘" (chit-sò͘).^{[bô chhut-chhù]}