Elements, Compounds and Mixtures
Remember:
Elements contain one type of atom.
Compounds contain two or more different atoms joined together.
Mixtures contain different atoms and elements, not joined together.
Part 1
Gold, iron and magnesium are elements which conduct electricity.
Sulphur and phosphorus are elements which do conduct electricity.
When iron and sulphur are heated together, they react to form a new
substance called iron sulphide.
(a) From the substances named above, give:
(i) the name of a metal;
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(ii) the name of an element which is a non-metal;
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(iii) the name of an element which will rust;
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(iv) the name of a compound.
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(b) When magnesium and sulphur are heated together, they react.
Write the name of the compound which is formed when magnesium
reacts with sulphur.
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Part Two
1. Complete the sentences
An element is…………………………………………………………………………………………………………………
A compound is…………………………………………………………………………………………………………………
A mixture is…………………………………………………………………………………………………………………
2, Draw the atoms in an element:
Draw the atoms in a compound:
Draw the particles in a mixture:
3. Look at the diagrams below and decide whether each one represents the
particles in an element, a compound or a mixture.
i.
ii.
iii.
iv.
v.
vi.