Name: ______________________________________ Date: ________________ Period: ______
Chapter 8.1: Matter
1. Matter
a. ________________ is a substance that takes up _________ and has
______________.
i. ________________ use the word “matter” to describe the
__________________ of which an object is ___________.
ii. The _______________ of matter in an object determines the
object’s ____________.
iii. All ____________ has two types of properties; _____________
and __________________.
b. Physical Properties
i. ______________________ that can be _____________ without
changing the ____________________ of the substance.
1. Examples include: ___________, color, _____________,
freezing and boiling points, ______________, and
conductivity.
c. Chemical Properties
i. Characteristics that describe how a substance ______________
with other substances to __________________ different kinds
of ______________.
1. Examples include: ______________, burning,
_________________, and bonding of elements.
2. Atoms and Elements
a. Matter is made up of ________________.
b. An element is a ________________ that has a characteristic set of
_________________ and ____________________ properties.
c. Over ____ elements occur naturally in the _____________, but only
____ make up over ____ of the earth’s ________________.
Name: ______________________________________ Date: ________________ Period: ______
d. All elements are made up of ___________
i. Atoms are the _____________ unit of an ______________ and
contain all the __________________ of that element.
ii. Atoms of elements are __________________ for each element.
iii. Elements can be ___________________ by their ___________.
3. Atomic Structure
a. The _______________ table is a system for ____________________
elements.
i. Elements in the same ____________ on the periodic table have
similar _____________________ of their _________________
and therefore similar chemical __________________.
b. _________________ particles make up the _____________ of atoms.
c. The three main subatomic ______________ are _________________,
_______________, and __________________.
Properties of Subatomic Particles
Particle
Symbol
Relative
Charge
Relative
mass
Actual Mass
(g)
(Proton = 1)
Electron
Proton
Neutron
d. The _____________ is a small region in the ____________ of an
atom and ________________ the protons and neutrons of an atom.
i. The nucleus is a _____________ mass in the center of an atom
and contains the _______________ of the atoms ___________.
e. The __________________ are moving around the a region of space
_______________ of the nucleus known as an electron ___________.
f. Atomic Number
i. The atomic ______________ of an atom is ______________ to
the number of ______________ in that atom and is
______________ to each element.
ii. All __________ of any one element have the same __________
number.
Name: ______________________________________ Date: ________________ Period: ______
iii. An _________________ neutral atom has the same number of
____________ and ________________ and therefore the
atomic number equals both, the protons and electrons.
g. Mass Number
i. The _________ number of any __________ represents the
_________ of the number of protons and neutrons in that atom.
ii. The unit for atomic _________ is (_____) for atomic mass unit.
iii. Protons and ______________ have an amu of about __, while
_____________ have a mass of about __________ amu and is
the reason why their mass is ________________ while
calculating an ________________ atomic mass.
4. Isotopes
a. ___________ of the same element that ___________ from each other
in __________ number are called isotopes.
i. ______________ have the ___________ number of protons and
electrons, but a different number of __________________.
5. Classification of Matter
a. Matter can be __________________ into three categories:
____________, ________________, and _______________.
b. The _______________ in a solid are packed _____________ together
in a fixed position and are ______ free to move very much.
i. Solids have a definite ____________ and _______________.
c. The particles in a _____________ are tightly packed together but they
are __________ to move.
i. Liquids have a definite ____________ but take the shape of
their ____________________.
d. The particles in a ________ are farther apart from each other and
move _______________ and more freely than _________________.
i. A gas does ________ have a definite volume or shape.
6. Thermal Energy and Matter
a. When __________ is added to a ___________, the atoms break away
from each other and begin to move _______________ until the solid
material changes __________ and becomes a _______________.
When ___________ heat is added, the atoms continue to pick up
____________ and _____________ and become a _________.