Look at the table. What word completes label 2 for the right hand column? Enter your answer
(1)
(2)
Examples
concrete, air, sea water
water, carbon dioxide, sodium
chloride
Separation
each substance within it is
separated easily
only separated using chemical
reactions
Composition
variable - you can vary the
amount of each substance in it
definite - you can't vary the
amount of each element in it
Joined or not?
the diffe substances
(3)
chemically joined
the different elements
(4)
chemically joined