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WorksheetsAQA C1 and C2 summary questions
Total questions: 50
Worksheet time: 50mins
Which statement describes the bonding in sodium chloride?
A shared pair of electrons between two atoms leading to a noble gas configuration.
A strong force of attraction between oppositely charged ions.
A strong force of attraction between two molecules.
A weak force of attraction between oppositely charged ions.
The ‘lead’ in a pencil is made of a mixture of graphite and clay.
When the percentage of graphite is increased, the pencil moves across the paper more easily. Which statement explains this observation?
Graphite has a high melting point
Graphite is a form of carbon.
Graphite is a lubricant.
Graphite is a non-metal.
Which statement about metals is not correct?
They conduct electricity because delocalised electrons can move throughout the metal.
They consist of layers of atoms that can slide over each other
They have a giant lattice of oppositely charged ions in a ‘sea’ of delocalised electrons
They have a giant lattice of positive ions in a ‘sea’ of delocalised electrons.
Chlorine, bromine and iodine are elements in Group VII of the Periodic Table. Which statement about these elements is correct?
The colour gets lighter down the group.
The density decreases down the group
They are all gases at room temperature and pressure.
They are all non-metals.
Which row describes the properties of a typical transition element?
A
B
C
D
Which statement about the noble gases is correct?
Noble gases are diatomic molecules.
Noble gases are reactive gases.
Noble gases have full outer electron shells.
The noble gases are found on the left-hand side of the Periodic Table.
What is a property of all metals?
conducts electricity
hard
low melting point
reacts with water
Which statement explains why aluminium is used in the manufacture of aircraft?
It conducts heat well
It has a low density.
It is a good insulator.
It is easy to recycle.
Which pair of atoms contains the same number of neutrons?
A
B
C
D
Period 3 of the Periodic Table is shown
What increases from Na to Ar across Period 3?
density
melting point
non-metallic character
the number of electron shells
Sodium and rubidium are elements in Group I of the Periodic Table.
Which statement is correct?
Sodium atoms have more electrons than rubidium atoms.
Sodium has a lower density than rubidium.
Sodium has a lower melting point than rubidium.
Sodium is more reactive than rubidium.
Which diagram represents a solid alloy?
A
B
C
D
The diagram shows the structure of an atom.
Which diagram shows the structure of an isotope of this atom?
The table shows the structure of different atoms and ions.
What is the value of W?
10
11
12
13
The table shows the structure of different atoms and ions.
What is the value of X?
10
11
12
13
The table shows the structure of different atoms and ions.
What is the value of Y?
10
11
12
13
The table shows the structure of different atoms and ions.
What is the value of Z?
10
11
12
13
Iron is a metal. The structure of iron is described as a lattice of positive ions in a sea of electrons. Which of the following statements about iron are correct?
1 only
1 and 3
1 and 4
2, 3 and 4
Which two elements react together to form an ionic compound?
R and T
T and X
X and Z
Z and R
The chemical formulae of two substances, W and X, are given.
W NaAlSi3O8
X CaAl2Si2O8
Which statements are correct?
1 and 2
1 and 3
2 and 3
1, 2 and 3
Part of the Periodic Table is shown. The letters are not the chemical symbols of the elements.
Which statement about the elements is not correct.
W has two electrons in the outermost shell.
Y is in Group IV of the Periodic Table.
X and Y bond covalently to form a molecule XY4.
Z has more metallic character than Y.
Astatine is an element in Group VII of the Periodic Table. It has only ever been produced in very small amounts. What are the likely properties of astatine?
A
B
C
D
Which structure represents a polymer?
A
B
C
D
Element Y has a mass number of 19 and a proton number of 9. Which group in the Periodic Table does it belong to?
I
III
VII
VIII
The nucleon number and proton number of the lithium atom are shown by the symbol.
What is the correct symbol for the lithium ion in lithium chloride?
Which diagram does not show the outer shell electrons in the molecule correctly?
A
B
C
D
The table compares the properties of Group I elements with those of transition elements. Which entry in the table is correct?
A
B
C
D
X is a monatomic gas.
Which statement about gas X is correct?
X burns in air.
X is coloured.
X is unreactive.
X will displace iodine from potassium iodide.
Which diagram could represent the structure of an alloy?
A
B
C
D
Which statement about an atom of fluorine, is correct?
It contains more protons than neutrons.
It contains a total of 28 protons, neutrons and electrons.
Its isotopes contain different numbers of protons.
Its nucleus contains 9 neutrons.
Which row describes the formation of single covalent bonds in methane (CH4)?
A
B
C
D
Which statement describes the structure of an ionic compound?
It is a giant lattice of oppositely charged ions.
It is a giant lattice of positive ions in a ‘sea’ of electrons.
It is a giant molecule of oppositely charged ions.
It is a simple molecule of oppositely charged ions.
Which statement about elements in Group I and Group VII of the Periodic Table is correct?
Bromine reacts with potassium chloride to produce chlorine.
Iodine is a monatomic non-metal.
Lithium has a higher melting point than potassium.
Sodium is more reactive with water than potassium
Which statement about elements in Group VIII of the Periodic Table is correct?
They all have a full outer shell of electrons.
They all react with Group I elements to form ionic compounds.
They are all diatomic molecules.
They are all liquids at room temperature.
The diagrams show the structure of two substances used to make electrical conductors.
Which statement correctly describes X and Y?
X is a pure metal and Y is a compound.
X is a pure metal and Y is an alloy.
X is a solid and Y is a liquid.
X is harder and stronger than Y.
Sodium chloride is a liquid at 900 °C. How are the particles arranged and how do the particles move in sodium chloride at 900 °C?
A
B
C
D
Rock salt is a mixture of sand and sodium chloride. Sodium chloride is soluble in water but not in hexane. Sand is insoluble in both water and hexane. What is required to separate the sand from the sodium chloride?
1 and 3
1 and 4
2 and 3
2 and 4
Diamond and graphite have giant covalent structures of carbon atoms. Which statement describes graphite?
It has a strong, rigid three-dimensional structure.
It has four strong covalent bonds between each carbon atom.
It has layers, which can slide over each other.
It has no free electrons, so does not conduct electricity
The equation shows how sodium reacts with water.
2Na + 2H2O → 2NaOH + H2
2Na represents two . . . . . . of sodium.
atoms
compounds
elements
molecules
The equation shows how sodium reacts with water.
2Na + 2H2O → 2NaOH + H2
2H2O represents two . . . . . . of water.
atoms
compounds
elements
molecules
The equation shows how sodium reacts with water.
2Na + 2H2O → 2NaOH + H2
Water and sodium hydroxide are . . . . . . .
atoms
compounds
elements
molecules
The equation shows how sodium reacts with water.
2Na + 2H2O → 2NaOH + H2
Sodium and hydrogen are . . . . . . .
atoms
compounds
elements
molecules
Which is the metal with the lowest density
A
B
C
D
Which is the non-metal that is a gas at 20 °C.
A
B
C
D
Which is the metal with the highest melting point.
A
B
C
D
Which is the non-metal with the highest boiling point
A
B
C
D
The diagrams show the numbers and different types of atoms in four compounds.
Which is CH4?
A
B
C
D
The diagrams show the numbers and different types of atoms in four compounds.
Which is CO2?
A
B
C
D
The diagrams show the numbers and different types of atoms in four compounds.
Which is CH3OH?
A
B
C
D
The diagrams show the numbers and different types of atoms in four compounds.
Which is C2H4?
A
B
C
D
