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WorksheetsAQA GCSE CHEMISTRY - BONDING, STRUCTURE & PROPERTIES OF MATTER
Total questions: 50
Worksheet time: 25mins
What shape are carbon nanotubes?
Pyramidal
Cubic
Cylindrical
Spherical
What is a limitation of the particle model?
The particle model assumes that particles have no forces between them
The particle model assumes that particles should be square
The particle model assumes that there are more particles than in real life
The particle model assumes that there are fewer particles than in real life
In graphite, how many covalent bonds does each carbon atom form?
1
2
3
4
Which one of these is NOT a property of a fullerene?
A hollow shape
Hexagonal carbon rings
A molecule of carbon atoms
Short length and large diameter
Metals consist of giant structures of arranged in a regular pattern.
atoms
neutrons
molecules
protons
Non-metal atoms become negatively charged ions by…
gaining electrons
sharing electrons
losing electrons
gaining protons
Which of these is NOT an example of a giant covalent substance?
Graphite
Sodium chloride
Diamond
Silicon dioxide
Ionic bonding is the bonding between…
metals and non-metals
metals and metals
non-metals and non-metals
gold and silver
Which of these statements is NOT true?
Ionic compounds can conduct electricity when…
they are melted
they are dissolved in water
electrons are free to move
ions are free to move
In metallic bonding, the electrons are…
stationary
delocalised
donated
gained
Simple covalent molecules have…
weak intermolecular forces
strong intermolecular forces
weak electrostatic forces
strong electrostatic forces
In pure metals, atoms are arranged in…
no order
groups of 3
layers
circles
Covalent bonding is the bonding between…
metals and non-metals
metals and metals
non-metals and non-metals
metals and gases
What takes place at the boiling point?
Freezing and boiling
Melting and freezing
Condensing and melting
Boiling and condensing
In a simple covalent bond diagram, a single covalent bond is represented using…
a double line
a dotted line
a squiggle
a single line
Define the term 'alloy'.
Non-metal and metal chemically bonded together
More than one metal chemically bonded together
A metal and rock
Two non-metals chemically bonded together
What is a nanometre?
A billionth of a metre
A hundredth of a metre
A thousandth of a metre
A millionth of a metre
How many carbon atoms are there in a molecule of Buckminsterfullerene?
60
50
40
30
In diamond, how many covalent bonds does each carbon atom form?
3
4
2
5
A substance has a boiling point of 220 degrees Celsius and a melting point of −120 degrees Celsius.
What state will it be at room temperature?
Solid
Liquid
Gas
Aqueous
What property does graphite have in common with most metals?
It can conduct electricity
It is magnetic
It is hard
It is ductile
In covalent bonding, electrons are…
swapped
donated
shared
received
At room temperature and pressure, what are the state symbols for hydrogen (H2) and sodium hydroxide (NaOH)?
(g) & (s)
(s) & (aq)
(g) & (l)
(l) & (s)
When magnesium bonds with oxygen, the magnesium loses two electrons. What ion will be formed?
[Mg]+
[Mg]2-
[Mg]2+
[Mg]-
What takes place at the melting point?
Melting and freezing
Freezing and boiling
Boiling and condensing
Condensing and melting
In a molecule of ammonia, how many electrons need to be shared for nitrogen to have a full outer shell?
5
3
1
2
[Mg]2+ and [O]2- ionically bond to form magnesium oxide. What is the correct empirical formula for this compound?
MgO2
2MgO
Mg2O
MgO
Why are metals good conductors of electricity?
Because delocalised electrons carry the charge
Because atoms carry the charge
Because they are arranged in layers of atoms
Because ions carry the charge
At room temperature, polymers are what state?
Solid
Liquid
Gas
Aqueous
Which of these statements is INCORRECT?
The amount of energy needed to change state from a solid to liquid depends on…
the type of bonding
the strength of forces between particles
the colour of the substance
the structure of a substance
What happens during reduction?
Electrons are gained
Electrons are shared
Protons are lost
Electrons are lost
Atoms in a polymer are linked together by…
strong ionic bonds
strong covalent bonds
weak ionic bonds
weak covalent bonds
What is graphene?
A hollow shape
A single layer of graphite
A double layer of graphite
A spherical shape
Which of these statements is NOT characteristic of most metals?
Able to conduct electricity
High melting and boiling points
Malleable
Insulating
Ionic compounds have a regular structure that is called a…
giant ionic lettuce
giant ionic lattice
simple ionic structure
simple ionic lattice
Positive ions and negative ions are attracted by…
intermolecular forces
electrostatic forces
strong covalent bonds
sticky bonds
Electrons are shared in…
pairs
triads
groups of 3
groups of 4
Electron transfer can be shown using…
dot diagrams
cross diagrams
dot and cross diagrams
circle diagrams
Why are alloys harder than metals?
They have more ions
The layers of atoms cannot be distorted
The delocalised electons can move more freely
The atoms are bigger
Which one of these is INCORRECT?
The repeating unit of a polymer is drawn using…
brackets
single bonds
the letter 'n'
double bonds
Complete the sentence. Nanoparticles have a…
small surface area to volume ratio
large surface area to volume ratio
small surface area to length ratio
large surface area to length ratio
[Li]+ and [O]2- would ionically bond to form lithium oxide.
What is the correct empirical formula for this compound?
LiO
Li2O
2LiO
LiO2
Why do ionic compounds have high melting and boiling points?
Lots of energy is needed to break strong electrostatic bonds
Lots of energy is needed to break strong intermolecular forces
Lots of energy is needed to break weak electrostatic bonds
Lots of energy is needed to break weak intermolecular forces
Atoms are most stable when…
they move around
the electrons move
they become charged
they have full outer shells
Which one of these properties of diamond is NOT correct?
High melting point
Hard
Does not conduct electricity
Malleable
What is a polymer?
A chain of monomers
A chain of carbon atoms
A large ionic compound
A metal
When metal atoms lose electrons they become…
elements
negatively charged ions
positively charged ions
chemical bonds
In graphite, how many electrons from each carbon atom are delocalised?
1
2
3
4
What happens during oxidation?
Electrons are gained
Electrons are shared
Protons are lost
Electrons are lost
Most metals have high melting and boiling points because…
they have strong ionic bonds
they have strong intermolecular forces
they have strong covalent bonds
they have strong metallic bonds
