Ngidinga ukuba uhlukanise okulandelayo kube izinto eziqinile, uketshezi negesi. Igolide, umoya-mpilo, i-helium, amanzi, ikhofi, ukhuni, igazi, isihlabathi, i-neon, insimbi, itshe, i-carbon dioxide, ithusi, iqhwa nobisi.
Igolide, ukhuni, isihlabathi, insimbi, itshe, ithusi, iqhwa kuyizinto eziqinile. Amanzi, ikhofi, igazi nobisi kuyizinto ezimanzi. I-oxygen, i-helium, i-neon, i-carbon dioxide ziyigesi.