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Characteristics of elements

Elements only have one type of atom or

Elements cannot be broken down into
simpler substances.

There are 90 different atoms that occur
naturally on earth and then some more
which makes a total of 118 elements.

Every element has its oven symbol.

Characteristics of compounds…

Page 2

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In a compound there is always a set
number of each kind of atom. Such as h20
­ 2 hydrogen + 1 oxygen.

In a mixture there is not a set number of
each atom or compound.

It is easier to break apart a mixture
compared to a compound as…


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