Yikuphi kulokhu okulandelayo okungeyona igesi enhle: i-helium, i-sodium, i-neon, i-oxygen, i-argon, i-hydrogen, i-calcium, i-magnesium, i-lithium, i-boron, i-krypton, i-nitrogen, i-xenon, i-aluminium, i-radon.
Lokhu okulandelayo akuzona amagesi ayigugu - i-sodium, i-oxygen, i-hydrogen, i-calcium, i-magnesium, i-lithium, i-boron, i-nitrogen, i-aluminium.