Nomeclature
Grade: «grade»
Subject:
Date: «date»
1
The correct charge for the ions formed in the alkaline earth metal group is
1
A
+1
B
+2
C
+3
D
­2
2
2
Which metals form cations with varying positive charge?
A
transition metals
B
alkali metals
C
metalloids
D
alkaline earth metals
3
3
The correct name for Ca2+ is
A
calcium (II) ion
B
calcium ion
C
calcium (I) ion
D
monocalcium ion
4
Which ion name combination is incorrect?
4
A
Cl­, chloride
B
PO33­, phosphite
C
ClO2­, chlorate
D
PO43­, phosphate
5
The formula for magnesium hydrogen sulfate is
5
A
Mg(SO4)2
B
MgS
C
Mg(HSO4)2
D
Mg2HSO4
6
Which of the following is incorrectly named?
6
A
Pb(NO3)2, lead (II) nitrate
B
NH4ClO4, ammonium perchlorate
C
Mg(OH)2, magnesium hydroxide
D
Na3N, sodium nitrite 7
7
The correct name for FeO is
A
iron oxide
B
iron (II) oxide
C
iron (III) oxide
D
iron monoxide
8
The formula for the acid HNO3 is
8
A
nitrous acid B
hydronitric acid C
nitric acid D
hydrogen nitride acid 9
Which of the acids is incorrectly named?
9
A
H2SO4, sulfuric acid
B
H2CO3, carbonic acid
C
H3PO4, phosphoric acid
D
HCN, cyanic acid
10
10 What is the formula for acetic acid?
A
H 2 C 2 O4
B
H2CrO4
C
H2CO3
D
HC2H3O2
11
11 Which of the following is a binary molecular compound?
A
Na2O
B
MgO
C
Al2O3
D
P2O5
12
12
Which is the correct prefix for two when naming molecular compounds?
A
tetra
B
tri
C
di
D
bi
13
13 What is the correct name for Si3N4
A
trisilicate tetranitrite
B
trisilicon tetranitride
C
tetrasilicon trinitride
D
tetrasilicate trinitrite
14
14 Choose the correct formula for phosphorus pentabromide.
A
PBr4
B
P4Br
C
PBr5
D
P5Br
15
15 Choose the incorrect formula name combination.
A
SO3, sulfur trioxide
B
N2O5, dinitrogen pentoxide
C
P4O10, tetraphosphorus decoxide
D
Cl2O8, octachloride dioxide
16
1. B
2. A
3. B
4. C
5. C
6. D
7. B
8. C
9. D
10. D
11. D
12. C
13. B
14. C
15. D
Answers
17