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Chapter 3
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Cards (14)
Elements
pure
substances
that
cannot
be
broken
down
into
2
/
more
simpler
substances
by
chemical
methods
How many groups and periods
18
groups and
7
periods
Metals are
Good conductors
of
heat
and
electricity
Metals are
malleable
and
ductile
Metals have
High melting
and
boiling points
Non metals are
Poor conductors
of
heat
and
electricity
Non metals are
Brittle
Non metals have
Low boiling
and
melting points
Compounds are
Pure
substances
that have
2
/
more substances chemically combined
in a
fixed ratio
Mixtures
2 or more elements
/
compounds
that are
not chemically combined
solutions
solute dissolves
in
solvent
dilute solution
Low % of dissolved solute dissolved
in a
fixed volume
of
solvent
Concentrated solution
High % of dissolved solute dissolved
in a
fixed volume
of
solvent
Suspensions
insoluble substances
in a
liquid
