Polyatomic Ions Flashcards
0
Q
valency
A
the number of electrons an atom must gain or lose in order to achieve a full outermost energy level hence reaching the most stable energy state it can
1
Q
Valence electrons
A
the total number of electrons that are found in the outermost energy level of an atom
2
Q
Group number
A
represents the total number of valence electrons that an atom has in its outermost energy level
3
Q
ammonium
A
NH4
charge: 1+
4
Q
hydroxide
A
OH
charge: 1-
5
Q
chlorate
A
ClO3
Charge: 1-
6
Q
Nitrate
A
NO3
Charge: 1-
7
Q
Nitrite
A
NO2
charge: 1-
8
Q
Hydrogen Carbonate
A
HCO3
charge: 1-
9
Q
Hydrogen Sulphate
A
HSO4
charge: 1-
10
Q
Permangenate
A
MnO4
charge: 1-
11
Q
Carbonate
A
CO3
charge: 2-
12
Q
Sulphate
A
SO4
charge: 2-
13
Q
sulphite
A
SO3
charge: 2-
14
Q
dichromate
A
Cr2O7
charge: 2-
