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WorksheetsFORMULA ION
Total questions: 10
Worksheet time: 2mins
Name
Class
Date
1.
What is the charge of cation?
a)
negative
b)
positive
c)
neutral
2.
Formulae of ammonium
a)
NH4+
b)
NH3
c)
NH42+
d)
NH4
3.
What is the name of MnO4-
a)
ion manganese
b)
ion manganate(VI)
c)
ion manganate(VII)
d)
ion mangan(VII)
4.
If the formula of compound is X3PO4, what is formulae of ion of phosphate
a)
PO42-
b)
PO34-
c)
PO43-
5.
When X react with Oxygen, the formula is X2O3. What is the formulae of ion for X
a)
X+
b)
X2+
c)
X3+
6.
Formula of sulfate is
a)
SO3-
b)
SO42-
c)
SO4-1
7.
Formulae of hydroxide ion
a)
O2-
b)
OH2-
c)
OH-
8.
Formula of nitrate
a)
NO43-
b)
NO32-
c)
NO3-
9.
A compound has a formulae of VCl2. What is V?
a)
Aluminium ion, Al3+
b)
magnesium ion, Mg2+
c)
sodium ion, Na+
10.
Formula of Iron(II)
a)
I-
b)
Fe2+
c)
Rb+
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