arabera Woon Kiat 15 years ago
341
Honelako gehiago
by teo bernice
by Ben Dover
by NA - 10SP - Castlebrooke SS (2692)
by Yun Shan
Containing different kind of atoms
Molecules of compounds
Cl2
CO2
Containing same kind of atoms
Molecules of elements
Examples:
Oxygen gas
Chlorine gas
+1
0
1
-1
1/2000