Copy the table below into your answer book and use it to compare the properties of metals and non-metals under the headings given - Leaving Cert Chemistry - Question B - 2011
Question B
Copy the table below into your answer book and use it to compare the properties of metals and non-metals under the headings given.
PROPERTY METALS NON-METALS
Hardne... show full transcript
Worked Solution & Example Answer:Copy the table below into your answer book and use it to compare the properties of metals and non-metals under the headings given - Leaving Cert Chemistry - Question B - 2011
Step 1
PROPERTY: Hardness
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Answer
Metals are generally hard, while non-metals are usually soft.
Step 2
PROPERTY: Lustre
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Answer
Metals have a lustrous appearance (they shine), whereas non-metals do not exhibit lustre.
Step 3
PROPERTY: Conduction of heat
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Answer
Metals are good conductors of heat. Non-metals, on the other hand, are poor conductors, often acting as insulators.
Step 4
PROPERTY: Conduction of electricity
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Metals conduct electricity well due to the presence of free electrons, while non-metals are generally insulators and do not conduct electricity.
Step 5
PROPERTY: Ductility
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Metals are ductile, meaning they can be drawn into wires, whereas non-metals are not ductile.
Step 6
What is an alloy?
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Answer
An alloy is a mixture of two or more elements, usually consisting of metals and non-metals, that results in improved properties. For example, steel, bronze, and brass are common alloys.
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