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Properties And Formulae
Test Description: Chemical and Physical Properties and Formulae
Instructions: Answer all questions to get your test result.
1) Which of the following elements is not diatomic?
A
Nitrogen
B
Iodine
C
Fluorine
D
Carbon
2) The correct formula for sulfur trioxide is...
A
S3O2
B
SO3
C
S2O3
D
SO
3) Which of the following would conduct electricity when solid?
A
Sulfur
B
Oxygen
C
Calcium
D
Diamond
4) How many delocalised electrons will an aluminium atom have?
A
13
B
8
C
3
D
2
5) Substance X conducts electricity as a liquid. Its bonding is
A
covalent
B
ionic
C
metallic
D
either ionic or metallic
6) Substance Y never conducts electricity and has a low melting and boiling point.
A
It is likely to be a covalent molecule.
B
It is likely to be ionic.
C
It is likely to be metallic.
D
It is likely to be a covalent network.
7) MgO(aq)
A
conducts electricity
B
has a low melting and boiling point
C
is covalent
D
has metallic bonding
8) Which substance has the correct formula?
A
Sodium sulfide: NaS
B
magnesium chloride: MgCl
C
Ammonium hydroxide: NH4H
D
Carbon monoxide: CO
9) Iron(II) nitride has the formula:
A
FeN
B
Fe3N2
C
IrN
D
Fe2N3
10) Which halogen does not have the valency of one?
A
Oxygen
B
Chlorine
C
None of the other answers
D
Fluorine
*select an answer for all questions
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