T? Bu?t-li-ha?k , iong-chu (proton) s? 1 chiong chhu-goan-chu lia?p-chu ; i ? 1 tan-?i chiaⁿ-ti?n e ki-pun ti?n-h? (elementary charge, 1.602 × 10 ^?19 coulomb ); ti?t-keng li?ng-ki-iok 1.5×10 ^?15   m ; chit-li?ng 938.3  MeV / c ² ( 1.6726 × 10 ^?27  kg ), chha-put-to s? ti?n-chu e 1836 po?. Iong-chu chin un-t?ng , poaⁿ-kiam-ki (half-life) si?ng-bo ? 10 ³⁵ ni ku. Iong-chu e bi?t-t?? t?i-iok s? 2.31 × 10 ¹⁷  kg m ^?3 . Iong-chu e spin s? ½. I e hoan-lia?p-chu (antiparticle) h?-cho hoan-iong-chu (antiproton). Iong-chu kap tiong-chu long s? hu?t-chu (nucleon). Iong-chu i? koh kio cho chit-chu .

Pun bun-chiuⁿ s? chi?t phiⁿ phi-a-kiaⁿ . Li thang tau khok-chhiong lai pang-ch?? Wikipedia. hian l?n pian