Chamistry C1 1.1 Atoms, elements and compounds.

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What are all substances made from?
Atoms.
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What are elements made from?
Only one type of atom.
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Why are chemical symbols used?
To represent atoms.
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What is a compound?
Something that is made when two or more elements combine.
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What is the periodic table?
A list of the elements, of which there are about 100 different ones.
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What do chemical symbols represent?
One atoms of an element.
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How are the elements in the periodic table arranged?
In columns called Groups.
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What do elements in the same Group have in common?
The usually have similar properties.
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What happen when elements react?
Their atoms join with atoms of other elements to form compounds.
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Other cards in this set

Card 2

Front

What are elements made from?

Back

Only one type of atom.

Card 3

Front

Why are chemical symbols used?

Back

Preview of the front of card 3

Card 4

Front

What is a compound?

Back

Preview of the front of card 4

Card 5

Front

What is the periodic table?

Back

Preview of the front of card 5
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