A particle in the
atom that does not
have a charge is the
______________.
The smallest part of
a compound is a
________________.
A mixture in which
particles of a
substance are
scattered, but not
dissolved is a
___________________.
The heaviest
particles of an atom
are found in the
______________.
The smallest part of
matter that
maintains its
properties is a(n)
______________.
Neutron
Molecule
Suspension
Nucleus
Atom
A particle with a
negative charge in
the atom is a(n)
________________.
What is anything
that has mass,
takes up space,
and can be a
solic, liquid, or
a gas?
The number of
protons in an atom
of an element is
the
______________.
In which state of
matter are the
particles most
closely packed
toether?
Electron
Matter
Atomic Number
Solid
In which state of
matter are the
particles most
spread far apart
from each other?
Gas
Explain the
A mixture is two
difference between
or more
a mixture and a
substances joined
compound.
physically. A
compound is two
or more
substances joined
chemically.
The temperature at
which a liquid
changes to a solid
The freezing
is called
point
__________________.
When the
temperature
increases,
molecules
_____________.
Speed Up
All elements are
made up of
_______________.
When an ice cube
melts, what happens
to the energy of
the atoms in the
ice?
Amy shakes her
salad dressing
before she pours
it on her salad.
This is because
the dressing is a
____________.
Dissolving sugar
into tea is an
example of a
______________.
Atoms
The atoms gain
energy
Mixture
Solution
Symbols that show
the number and
Chemical Formulas
kind of atoms in a
or Symbols
compound such as
NaCl are called
_____________.
What are the three
states of matter?
Solid, Liquid, Gas
Explain how water
Liquid water can
can be found in
evaporate to
all three states
become a gas
of matter. How
called water
does it change
vapor. Water
from one to
vapor can condense
another?
to become liquid
water. Liquid
water can freeze
to become solid
ice. Ice can melt
to become liquid
water.
What is a
compound?
The nucleus of an
atom contains
__________ and
_________.
A substance that
results when two
or more elements
join together
chemically
Protons and
Neutrons
What is an
element?
Matter that has
only one kind of
atom
An atom of carbon
has 6 protons, 6
neutrons, and 6
electrons. What
is its atomic
mass?
12
What is the atomic
number of an atom?
The number of
protons
How are elements
arranged on the
Periodic Table?
They are arranged
by their
properties