Sodiyumu karemano (Na) — icyuma cya alikali cyoroshye, cyera nka feza, kigira ibikorwa bikaze n'amazi, kikagaragaza gazi ya hidorojeni na hidorokiside ya sodiyumu. Kibikwa munsi y'amavuta y'amabuye kugira ngo kidakora n'ikirere. Gikoreshwa mu gukora imiti y'ibinyabuzima (ibikorwa bya Wurtz, kugabanya kwa Birch) no nk'ikigabanya gikomeye.