Please understand that one of our chemistry tutors is on vacation this week. Please be patient.
gorge - luis, Thursday, April 14, 2011 at 11:40pm
suppose you a piece of an unknown substance. describe how you would determine wether or not the substance was metal
To all chemistry students - sobabini, Wednesday, May 4, 2011 at 1:30pm
shine in metal and non metal is not and nonmetal is poor conductor