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matter, e.g +melting point & boiling point, molecule e,g H2O,HBr,…
matter
is anything that
h
as mass
occupies space
is classified into
mixture
divided into
heterogeneous mixture
is a mixture that has
one or more visible boundaries among its components
homogeneous mixture
is a mixture that has
no visible boundaries among its components
composed of
two or more pure substances
that
combines physically
retain the chemical identity
pure substances
made up of
same kind of atoms/molecules
have a
fix composition
unique set of properties
classified as
compound
is a pure substance contains
two or more types of atoms and element
in the form of
element
consists of
only one atom
in the form of
atom e.g Na,Br
molecule e.g O2,Br2
e.g +melting point & boiling point
molecule e,g H2O,HBr
ionic e.g NaCI
e.g air,seawater,steel
e.g. granite,saturated solution