Na2Ca3(Na +3 Ca -2)
MgCl3 (Mg +3 Cl -1)
N2 ( N 0 )
Ca3N2( Ca +2 N -3)
HClO4 ( H +1 Cl +7 O -2)
K2MnO4 (K +1 Mn +6 O -2)
S( S 0 )
AlCl3 (Al +3 Cl -1)
NCl5( N +5 Cl -1)
Al2S3 (Al +3 S -2)
Na2Ca3(Na +3 Ca -2)
MgCl3 (Mg +3 Cl -1)
N2 ( N 0 )
Ca3N2( Ca +2 N -3)
HClO4 ( H +1 Cl +7 O -2)
K2MnO4 (K +1 Mn +6 O -2)
S( S 0 )
AlCl3 (Al +3 Cl -1)
NCl5( N +5 Cl -1)
Al2S3 (Al +3 S -2)