Nkebi ahịrịokwu 1: Orbital bụ otu ihe ahụ dị ka Orbital, ma a na-akpụzi ya site n'iji ya mee ihe. Nkebi ahịrịokwu nke 2: Linear bụ otu ihe ahụ dị ka orbital, ma ha na-etolite site na-ewere orbital. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
Ee e