Pori’r Slipiau

ABCChDDdEFFfGNgHIJLLlMNOPPhRRhSTThUWY

Trawsgrifiad y Slip

< I'r Slip BlaenorolI'r Slip Nesaf >3c-005843

cinetig

Theori ginetig molecylau

(kinetic)

R. O. Davies: Elfennau Cemeg (1937) 81

1937