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UNIT PLAN
Subject Area:
Unit #:
Unit Name:
Chemistry
2
Matter
Big Idea/Theme: The atom is the smallest particle of an element that retains the
chemical properties of that element. The student will understand of atomic
structure and nuclear processes.
Culminating Assessment:
Design a poster diagramming fission or fusion which lists current pros and cons
for the nuclear process as it applies to United States energy production. Choose
a radioactive element that is used in this process and diagram its electron
configuration, periodic properties, and the type of radioactive decay this element
undergoes.
Unit Understanding(s)
Unit Essential Question(s):
Students will understand that…
What are the properties of the
subatomic particles?
The subatomic particles have
characteristic properties.
How is the behavior of the electron
The principles of electrorelated to the principles of
Magnetic radiation can be related to
electromagnetic radiation?
the behavior of an electron.
What is the Bohr model of the
The development of the Bohr model
atom?
provides a foundation, though
Given an electron of a specific
inaccurate, to identifying where
element, what are the four
electrons exist in the atom.
correlating quantum numbers?
The location of electrons around the
What is the electron configuration
nucleus from a quantum
using orbital notation for a specific
perspective can be identified using
element?
quantum numbers.
How does the number of protons
Electron configurations, by
and electrons affect the following
Using orbital notation, for
atomic properties? Electron
Representative elements identify a
configuration, ionization energy,
probable location of each electron
electron affinity, atomic size, and
in the atom.
ionic size.
Atomic properties (including
How do the following change as
electron configuration, ionization
elements increase in atomic
energy, electron affinity, atomic
number on the same period?
size, and ionic size) change as a
Electron configuration, ionization
result of the number and location of
energy, electron affinity, atomic
the electrons in an atom and the
size, ionic size, and reactivity.
number of protons in the nucleus.
How the following change as
The atomic properties (including
elements increase in atomic
electron configuration, ionization
number in the same group?
energy, electron affinity, atomic
Electron configuration, ionization
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size, ionic size, and reactivity) can
be predicted by the location of the
element on the periodic table.
These properties change
Predictably as elements increase in
atomic number across a period of
downs a group.
The nuclear reactions of fission and
fusion are reactions involving the
nucleus of the atom whereas
chemical reactions involve the
electrons. There is much more
energy released through nuclear
reactions versus chemical.
Alpha, beta, and gamma radiation
are different in terms of mass,
charge, penetrating power, and the
release of these particles from the
nucleus.
The concept of half-life is used in
determining the age of materials,
and is significant to nuclear waste
disposal.
energy, electron affinity, atomic
size, ionic size, and reactivity.
How are nuclear reactions (fission
and fusion) different from chemical
reactions?
What is the mass, charge, and
penetrating power of alpha, beta,
and gamma particles?
How is half-life used in determining
the age of materials?
Students will know… / Students will be able to…
Explain the law of conservation of mass, the law of definite proportions, and
the law of multiple proportions.
Explain the relationship between Dalton’s atomic theory and the law of
conservation of mass, the law of definite proportions, and the law of multiple
proportions.
List the properties including relative size, charge and location of protons,
neutrons and electrons.
Explain what isotopes are.
Define atomic number and mass number and describe how they apply to
isotopes.
Given the identity of a nuclide, determine its number of protons, neutrons, and
electrons.
Explain the mathematical relationship among the speed, wavelength, and
frequency, of electromagnetic radiation.
Discuss the dual wave-particle nature of light.
Describe the Bohr model of the hydrogen atom.
Compare and contrast the Bohr model and the quantum model of the atom.
List the four quantum numbers and describe their significance.
Relate the number of sublevels corresponding to each of an atom’s main
energy levels, the number of orbitals per sublevel, and the number of orbitals
per main energy level.
List the total number of electrons needed to fully occupy each main energy
level.
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State the Aufbau principle, the Pauli Exclusion Principle, and Hund’s rule.
Describe the electron configurations for the atoms of any element using
orbital notation.
Explain how the periodic law can be used to predict the physical and chemical
properties of elements.
Describe how the elements belonging to a group of the periodic table are
interrelated in terms of atomic number.
Define atomic and ionic radii, ionization energy, electron affinity, and
electronegativity.
Compare the periodic trends of atomic radii, ionization energy, and
electronegativity, and state the reasons for these variations.
Define valence electrons, and state how many are present in atoms of each
main group element.
Compare the atomic radii, ionization energies, and electro negativities of the
d-block elements with those of the main-group elements.
Explain why nuclear reactions occur, and know how to balance a nuclear
equation.
Define radioactive decay and nuclear radiation.
Describe the different types of radioactive decay and their effects on the
nucleus.
Define the term half-life and explain how it relates to the stability of the
nucleus.
Compare the penetrating ability of alpha particles, beta particles, and gamma
rays.
Discuss applications of radioactive nuclides.
Define nuclear fission, chain reaction, and nuclear fusion, and distinguish
between them.
South Carolina Academic Standards:
C-2.1 Illustrate electron configurations by using orbital notation for
representative elements.
C-2.2 Summarize atomic properties (including electron configuration, ionization
energy, electron affinity, atomic size, and ionic size).
C-2.3 Summarize the periodic table’s property trends (including electron
configuration, ionization energy, electron affinity, atomic size, ionic size,
and reactivity).
C-2.4 Compare the nuclear reactions of fission and fusion to chemical reactions
(including the parts of the atom involved and the relative amounts of
energy released).
C-2.5 Compare alpha, beta, and gamma radiation in terms of mass, charge,
penetrating power, and the release of these particles from the nucleus.
C-2.6 Explain the concept of half-life, its use in determining the age of materials,
and its significance to nuclear waste disposal.
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Interim Assessment (formative)
Quizzes
Class participation
Exit slips
Class work/homework
Tests
Laboratory assignments
Graphic organizer
Teacher observations
Group work
Whiteboards
Key Criteria (to meet the standard/rubric) attached:
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Key Criteria (to meet the standard/rubric)
Making A Poster : Matter Poster
CATEGORY
Required
Elements
Content Accuracy
Graphics Relevance
Labels
Attractiveness
4
The poster
includes all
required
elements as
well as
additional
information.
At least 7
accurate facts
are displayed
on the poster.
3
All required
elements are
included on the
poster.
2
All but 1 of the
required
elements is
included on the
poster.
1
Several
required
elements were
missing.
5-6 accurate
facts are
displayed on
the poster.
3-4 accurate
facts are
displayed on
the poster.
Less than 3
accurate facts
are displayed
on the poster.
All graphics are
related to the
topic and make
it easier to
understand. All
borrowed
graphics have
a source
citation.
All items of
importance on
the poster are
clearly labeled
with labels that
can be read
from at least 3
ft. away.
All graphics are
related to the
topic and most
make it easier
to understand.
All borrowed
graphics have
a source
citation.
Almost all
items of
importance on
the poster are
clearly labeled
with labels that
can be read
from at least 3
ft. away.
The poster is
attractive in
terms of
design, layout
and neatness.
All graphics
relate to the
topic. Most
borrowed
graphics have
a source
citation.
Graphics do
not relate to
the topic OR
several
borrowed
graphics do not
have a source
citation.
Several items
of importance
on the poster
are clearly
labeled with
labels that can
be read from at
least 3 ft.
away.
The poster is
acceptably
attractive
though it may
be a bit messy.
Labels are too
small to view
OR no
important items
were labeled.
The poster is
exceptionally
attractive in
terms of
design, layout,
and neatness.
The poster is
distractingly
messy or very
poorly
designed. It is
not attractive.
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