Pure chemical elements are not considered chemical compounds, even if they consist of molecules that contain only multiple atoms of a single element (such as H2, S8, etc.), which are called diatomic molecules or polyatomic molecules.ItokasiKemistri.. 
Fún èyí wọ́n ma ń fún egungun lẹ́bùn kí ó lè bá wọn jí ìjọ wọn.Àwọn eléégún tàbí ọlọ́jẹ tí wọ́n mú egungun ṣíṣẹ́ níṣẹ́ tí wọ́n jẹ́ olùsìn egungun ni a Tẹ́b pè ní eléégún tàbí Ọlọjẹ.. 