Awon halojin (tabi elimenti halojin) ni egbe kan lori tabili idasiko awon elimenti to ni awon elimenti marun ti won fi kemika ba ara won tan, fluorini (F), klorini (Cl), bromini (Br), iodini (I), ati astanini (At).. 
Otto Sander (Ọjọ́ìbí 30 Oṣù Kẹfà 1941– 12 Oṣù Kẹ̀sán 2013) jẹ́ òṣèré Ara Jemani.Àwọn òṣèré Ara Jemani 🙂