1
Sc 9
Ch 1 Notes: Matter
Some Vocabulary Review to START..
Matter: Anything that has
and
Mass: the amount of
substance
Volume: The amount of
matter occupies.
Property: A
describe matter.
Qualitative – can be
not
.
Quantitative: can be
Atom: the smallest
that still has the same
element.
in a
that
used to
but
.
of an element
of that
Molecule:
or more atoms
combined. (either the
or
different atoms)
2
Element: A substance that contains only
of
Compound: A substance that contains
or more
types of atoms,
combined.
Pure Substance: A substance that has the
same
in any sample
you choose. Can be a
or
an
.
Models :Each geometric shape represents a
type of atom. When the shapes are drawn
together, they represent atoms that are
chemically combined.
Ex. 1: Mixture or Pure Substance?
Element Compound Both?
Total # of atoms:
# of molecules:
# of different types of atoms:
# of different types of compds
3
Ex. 2: Mixture or Pure Substance?
Element Compound Both?
Total # of atoms:
# of molecules:
# of different types of atoms:
# of different types of compds
Ex. 3: Mixture or Pure Substance?
Element Compound Both?
Total # of atoms:
# of molecules:
# of different types of atoms:
# of different types of compds
Ex.4 : Mixture or Pure Substance?
Element Compound Both?
Total # of atoms:
# of molecules:
# of different types of atoms:
# of different types of compds
4
Ex.5 : Mixture or Pure Substance?
Element Compound Both?
Total # of atoms:
# of molecules:
# of different types of atoms:
# of different types of compds
Ex.6 : Mixture or Pure Substance?
Element Compound Both?
Total # of atoms:
# of molecules:
# of different types of atoms:
# of different types of compds
Physical Changes: Changes in which
new substance is
.
Ex.
Chemical Change: Changes in which
substances are
.
Ex.
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Clues that suggest a CHEMICAL change
has occurred:
1. a new
may appear
2.
or
may be given off
3.
or
may be
formed.
4.
material (a
may form in a liquid
5. The change may be difficult to
KMT:
1. All matter is made up of
2. There is
between the
particles.
In a gas :
In a liquid:
In a solid:
3. The particles are constantly
.
4. To make the particles move faster you
.
5. When the particles move faster they
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6. When the particles
they
become less
and will start
to
.
7.
Will be
created when molecules heat up.
Changes of State:
State
Solid
Liquid
Gas
Shape
Volume
Space
between
molecules
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ATOMIC THEORY:
DALTON
THOMSON
Ernest RUTHERFORD Niels BOHR
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Today’s Model of an ATOM: