Properties And Formulae Question Preview (ID: 36778)
Chemical And Physical Properties And Formulae.
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Which of the following elements is not diatomic?
a) Fluorine
b) Iodine
c) Carbon
d) Nitrogen
The correct formula for sulfur trioxide is...
a) S3O2
b) S2O3
c) SO
d) SO3
Which of the following would conduct electricity when solid?
a) Diamond
b) Sulfur
c) Calcium
d) Oxygen
How many delocalised electrons will an aluminium atom have?
a) 3
b) 13
c) 2
d) 8
Substance X conducts electricity as a liquid. Its bonding is
a) ionic
b) metallic
c) covalent
d) either ionic or metallic
Substance Y never conducts electricity and has a low melting and boiling point.
a) It is likely to be ionic.
b) It is likely to be metallic.
c) It is likely to be a covalent network.
d) It is likely to be a covalent molecule.
MgO(aq)
a) conducts electricity
b) has a low melting and boiling point
c) is covalent
d) has metallic bonding
Which substance has the correct formula?
a) magnesium chloride: MgCl
b) Carbon monoxide: CO
c) Sodium sulfide: NaS
d) Ammonium hydroxide: NH4H
Iron(II) nitride has the formula:
a) IrN
b) FeN
c) Fe2N3
d) Fe3N2
Which halogen does not have the valency of one?
a) Fluorine
b) Chlorine
c) Oxygen
d) None of the other answers
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