Should be labled non metals excluding the Halogens and Noble gases. I didn't know about the alotropes of sulphur http://lessonpeer.com/drhillteach/Theodore%20Grays%20Periodic%20Table%20Non%20Metals.mp4
Should be labled non metals excluding the Halogens and Noble gases. I didn't know about the alotropes of sulphur http://lessonpeer.com/drhillteach/Theodore%20Grays%20Periodic%20Table%20Non%20Metals.mp4