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Cards (11)
Atom
A
single
particle
, the
smallest
unit
of
matter
Element
A
substance
made
up
of
only
one
type
of
atom
Molecule
A
particle
made
up
of
two
or
more
atoms
with a
chemical
bond
Mixture
A
group
of
two
or
more
atoms
with
no
chemical
bond
Compound
A
group
of
two
or
more
different
types
of
elements
with a
chemical
bond
Difference between
atoms
and
molecules
:
Atoms
are
single
neutral
particles.
Molecules
are
neutral
particles
made of
two
or
more
atoms
bonded
together.
Mass
of
electron
:
1/1840
of the
mass
of a
proton.
Atoms
1
individual
particle
Difference between
Atoms
and
Molecules
:
Atoms are
1
individual
particle.
Molecules are
2
or
more
particles
together.
Groups
in the periodic table: Tells us the
number
of
electrons
in the
outermostshell
of an
atom
/element.
Periods
in the periodic table: Tells us the
number
of
shells
an atom/element has.
