作者:Woon Kiat 16 年以前
427
更多类似内容
由peter hill
由Imran Reedznan
由NA - 10SP - Castlebrooke SS (2692)
由Husein Hafsah Bint
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