Elements Mixtures & Compounds

1.  Complete the sentences:.

      a   An element is 

      b   A compound is

       c   A mixture is

2.  Choose the correct label for each of the pictures:

3.  Say whether each substance is an element, compound or mixture in this table:


salt water


carbon dioxide



4.   Water has the formula H20 and oxygen is 02
In question 2 which picture is oxygen
and which is water. .  

Explain your answer


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