Polyatomic Ions (Little Five) Flashcards
1
Q
Ammonium
A
N H4 + (polyatomic cation)
2
Q
Mercury (I)
A
Hg2 2+ (Polyatomic cation)
3
Q
Hydroxide
A
OH- (Polyatomic ion named as if monoatomic)
4
Q
Cyanide
A
CN- (Polyatomic ion named as if monoatomic)
5
Q
Permanganate (purple)
A
Mn O4 - (polyatomic anion with characteristic color)
6
Q
Chromate (yellow)
A
Cr O4 2- (polyatomic anion with characteristic color)
7
Q
Dichromate (orange)
A
Cr2 O7 2- (polyatomic anion with characteristic color)
8
Q
Acetate
A
C2 H3 O2- (Organic polyatomic ion)
9
Q
Oxalate
A
C2 O4 2- (Organic polyatomic ion)
10
Q
Thiosulfate
A
S2 O3 2- (anion with prefix thio)
11
Q
Thiocyanate
A
CNS- (anion with prefix thio)
