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WorksheetsAQA GCSE CHEMISTRY - ATOMIC STRUCTURE & THE PERIODIC TABLE
Total questions: 49
Worksheet time: 25mins
Electrons have a relative mass of…
1
0
2
very small
What happens to the boiling points and melting points of Group 7 elements as you go down the group?
They decrease
They stay the same
They increase
They decrease and then level off
Atoms are made from…
electrons
protons
neutrons
protons, neutrons and electrons
In the plum pudding model, where were the electrons located?
In the middle
Around the outside
Embedded throughout
In shells
The overall charge of an atom is 0 because…
the number of protons and the number of neutrons are the same
the number of neutrons and the number of electrons are the same
the number of electrons and the number of protons are the same
there is no charge on a proton
When you describe a chemical reaction using a word equation you show the…
reactants
reactants and products
products
symbols
Protons have a relative mass of…
1
0
2
very small
How would you describe the reactivity of Group 1 metals?
Very reactive
Slightly reactive
Not very reactive
Unreactive
How are elements in the modern periodic table arranged?
In order of atomic mass
In order of atomic number
In alphabetical order
By number of neutrons
Later experiments proved that particles in the nucleus had a positive charge. These were named as…
protons
neutrons
electrons
atoms
The nuclear model showed that most of the mass of an atom can be found in the…
centre of the atom
outside of the atom
left-hand side of the atom
right-hand side of the atom
How can the reactivity of the noble gases be described?
Unreactive
Very reactive
More reactive
Less reactive
Which transition metals are commonly used as catalysts?
Iron
Platinum
Palladium
All of the metals listed
Group 1 metals are also known as…
acidic metals
alkali metals
soluble metals
insoluble metals
How did Mendeleev overcome the problems with the early periodic table?
By arranging elements alphabetically
By leaving gaps
By making it up
All of the ways listed
Niels Bohr suggested that ___________ orbited the nucleus.
protons
neutrons
electrons
protons and neutrons
The properties of a compound compared to the properties of the individual elements are…
different
the same
similar
not changed
How does the reactivity of Group 1 metals change as you go down the group?
It decreases
It stays the same
It increases
It decreases and then levels off
How are electrons arranged around the nucleus?
Circles
Shells
Rings
Stacks
Why do equations using formulae need to be balanced?
To make it fair
So it's right
The number of atoms need to be the same for reactants and products
The number of protons need to be the same
Which separation method is used to separate liquids based on their boiling points?
Distillation
Fractional distillation
Filtering
Crystallisation
Protons have an electric charge of…
+1
0
-1
2
A mixture contains two or more elements or compounds that are…
chemically combined
not chemically combined
mixed together
glued together
The overall charge of an atom is…
+1
0
-1
2
How were the elements originally arranged in the early periodic table?
By atomic weights
By number of protons
By number of electrons
By their reactivity
A compound is defined as being…
two or more atoms of different elements chemically combined together
two or more atoms of different elements glued together
an atom of one element chemically bonded to other atoms of the same element
atoms that have reacted
Elements contain…
the same type of element
the same type of atom
the same type of proton
the same type of charge
Later experiments proved that the nucleus also contained __________ as well as protons.
atoms
neutrons
electrons
elements
Isotopes are atoms of an element with a different number of…
neutrons
electrons
protons
protons and electrons
Which separation method is used to separate a soluble solid from a solution?
Crystallisation
Filtering
Distillation
Chromatography
What word or phrase can be used to describe the outer shell of the noble gases?
Half full
Nearly full
Full
Bursting
Relative atomic mass is an average of the amount of…
isotopes
electrons
protons
neutrons
The plum pudding model suggested that atoms were like a ball. What was this ball made of?
Negative charge
Positive charge
Protons
Electrons
What is the maximum number of electrons found in full electron shells?
2,2,8,8
2,2,8
2,8,8,8
2,6,8,2
Where are metals found on the periodic table?
Left
Left and middle
Right
Right and middle
What does the group number in the periodic table tell us about the elements within that group?
The elements all have the same number of neutrons
The elements all have the same number of electrons
The elements all have the same number of electrons in their outer shell
The elements all have the same atomic mass
Electrons have an electric charge of…
+1
0
-1
2
The mass number of an atom is the number of…
protons
neutrons
protons and neutrons
electrons
Atoms of different elements contain a different number of…
electrons
neutrons
protons and neutrons
protons
The number of electrons in an atom is the same as…
the number of protons plus the number of neutrons
the number of neutrons
the number of protons
the number of neutrons minus the number of protons
What happens to the boiling points of noble gases as you go down the group?
They decrease
They stay the same
They become solids
They increase
Where are non-metals found on the periodic table?
Left
Left and middle
Right
Right and middle
Neutrons have an electric charge of…
+1
0
-1
2
Which separation method is used to separate solvents from a solution?
Crystallisation
Distillation
Filtering
Fractional distillation
The number of electrons in an atom can be found by looking at the…
atomic number
atomic mass
symbol
group number
Neutrons have a relative mass of…
1
0
2
very small
How does the reactivity of Group 7 elements change as you go down the group?
It decreases
It stays the same
It increases
It increases and then levels off
How many electrons do Group 1 metals have on their outer shell?
3
2
1
0
Which separation method is used to separate mixtures of soluble substances?
Crystallisation
Filtering
Distillation
Chromatography
