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WorksheetsAmazing Atoms Revision
Total questions: 30
Worksheet time: 25mins
What is made up of protons, neutrons, and electrons?
Molecule
Atom
Cell
Compound
Does the nucleus of an atom have a positive, negative, or neutral charge?
Positive
Negative
Neutral
How are elements represented?
By a number only
By a color only
By both a name and a symbol
By a shape only
What does the atomic number of an element represent?
The total number of protons and neutrons
The number of protons
The number of electrons
The number of neutrons
Which of the following elements is a non-metal?
Sodium (Na)
Oxygen (O)
Iron (Fe)
Copper (Cu)
Which of the following is a property of metals?
Dull appearance
Brittle
Conduct electricity
Low density
What is the meaning of "malleable"?
Can be shaped without breaking
Makes a ringing sound
Conducts electricity
Has a dull appearance
Which property is common to non-metals?
High density
Conduct heat
Low melting point
Shiny appearance
What does "sonorous" mean?
Can be shaped without breaking
Makes a ringing sound
Conducts heat
Has a high melting point
What is the rule for placing electrons into shells?
2 in the first shell, 8 in the second shell
8 in the first shell, 2 in the second shell
4 in the first shell, 4 in the second shell
6 in the first shell, 6 in the second shell
How many electrons does magnesium have?
12
10
14
8
What is the maximum number of electrons that Shell 1 can contain?
2
8
10
4
How many electrons can Shell 2 hold at maximum?
8
2
10
6
What is the electronic configuration for magnesium?
2, 8, 2
2, 8, 8
2, 2, 8
8, 2, 2
Define the term element.
An element consists of one type of atom only.
An element is a mixture of different atoms.
An element contains two or more types of molecules.
An element is a compound of various substances.
How many elements are there in carbon dioxide (CO₂)?
1
2
3
4
How many atoms are there in carbon dioxide (CO₂)?
1
2
3
4
What is the definition of a compound?
Consist of two or more elements or compounds that are not chemically combined.
Contain two or more elements that are chemically combined.
Consist of a single element.
Contain only one type of atom.
What is the definition of a mixture?
Consist of two or more elements or compounds that are not chemically combined.
Contain two or more elements that are chemically combined.
Consist of a single element.
Contain only one type of atom.
How many electrons does oxygen have?
6
7
8
9
How many electrons are placed in the first shell of oxygen?
2
4
6
8
After filling the first shell, how many electrons are placed in the second shell of oxygen?
4
5
6
7
For each subatomic particle found in the atom, sort the mass, charge and location.
Mass = 1
Mass = 1
Mass = 0
Charge = +1
Charge = 0
Charge = -1
Location = nucleus
Location = nucleus
Location = shells
Match the metal with its best use.
Copper
Electrical Wires
Gold
Jewellery
Aluminium
Aeroplanes
Iron
Construction
Click on an electron.
Click on a proton.
Click on a neutron.
Look at each group of reactants and decide if a displacement reaction will happen or not:
zinc oxide + magnesium
sodium sulphate + lithium
copper nitrate + silver
potassium hydroxide + sodium
iron chloride + lead
aluminum sulfate + calcium
magnesium nitrate + zinc
zinc chloride + lead
silver nitrate + lead
zinc chloride + sodium
magnesium sulfate + potassium
iron oxide + aluminum
calcium hydroxide + zinc
iron nitrate + copper
Place the metals in order of reactivity (most to least).
Potassium
Magnesium
Zinc
Copper
Gold
