Polyatomic ions Flashcards
1
Q
positive polyatomic ion
A
Ammonium - NH₄(+)
2
Q
carbon and nitrogen
A
cyanide - CN(-)
3
Q
hydroxide
A
OH(-)
4
Q
nitrogen and oxygen (x3)
A
nitrate - NO₃(-)
5
Q
nitrogen and oxygen (x2)
A
nitrite - NO₂(-)
6
Q
carbonate
A
CO₃(2-)
7
Q
chromate
A
CrO₄(2-)
8
Q
oxide
A
O(2-)
9
Q
sulphur and oxygen (x4)
A
sulfate SO₄(2-)
10
Q
sulphur and oxygen (x3)
A
sulfite - SO₃(2-)
11
Q
phosphate
A
PO₄ (3-)
12
Q
carbon + Hydrogen (x3) + Carbon + oxygen and hydrogen
A
ethanoic acid - CH₃COOH
