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50:00 chem102-010-20170324-122000.mp4 chem102-010-20170324-122000.mp4	chem102-010-20170324-122000.mp4 UD Capture Recording chemical element ions natural science oxygen non metals chem102 2017s examinations molecular chemistry & physics atoms electron iron electromagnetic force chemistry physics particle physics science (general) caption complete oxidation side electrons charge reaction ion half thing equation hydrogen agent reduction reactions nitrogen compound things exam From Dana Chatellier 0 likes 68 plays 0

50:00

chem102-010-20170324-122000.mp4

UD Capture Recording

From Dana Chatellier 0 likes 68 plays 0