iChwe ("i-atom") ucezu oluncane kakhulu kunezinye izingcezu zeMpahla ("i-matter") olwakha iNhlwa yeVanga ("i-chemical element"). Yonke into eNqumile, eluKetshezi, eluHowo, neNyazani, yaqanjwa ngamaChwe anomLelesa ovumayo noma ophikayo.