Search for tag: "non metals"

chem102-010-20170508-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 62 plays 0  

chem102-010-20170501-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 23 plays 0  

chem102-010-20170417-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 62 plays 0  

chem102-010-20170324-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 68 plays 0