Download Chapter 9: The Atom

Physics A First Course
Matter and Energy
Chapter 9
Matter and Energy
Physical Properties of Matter
 9.1 Atomic
Structure
 9.2
Electrons and the Periodic Table
 9.3
Quantum Theory of the Atom
9A Investigation: The Atom
Key Question:
How is an atom organized?
*Students read text section 9.1
AFTER Investigation 9A
9A Investigation Topics
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Build model atoms.
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Use the periodic table.
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Compare atomic structure to the layout of the periodic
table.
Chapter 9.1 Objectives and Vocabulary
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Name the subatomic particles
that make up an atom and
describe their locations.
Describe the forces that hold
atoms together.
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Identify the number of
particles in an atomic nucleus.
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atomic theory
proton
electron
neutron
charge
nucleus
electromagnetic force
strong nuclear force
isotopes
atomic number
mass number
Chapter 9.2 Objectives and Vocabulary
Use the periodic table to obtain
information about the elements.
 Explain the relationship between
an element's placement on the
periodic table and its chemical
properties.
 Understand a simple model of
electron arrangement.
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periodic talbe
period
group
metal
nonmetals
metalloids
energy level
valance electrons
chemical bond
noble gases
9B Investigation: Energy and the Quantum
Key Question:
How does an atom absorb
and emit light energy?
*Students read text section 9.3
AFTER Investigation 9B
9B Investigation Topics
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Build and model atoms.
 Compare absorption and emission in atoms.
Chapter 9.3 Objectives and Vocabulary
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Explain the meaning of
quantum theory.
Compare and contrast the Bohr
and quantum atomic models.
Explain why probability is
important when working with
atom-sized systems.
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spectrum
spectral line
spectrometer
quantum theory
quantum state
Planck's constant
uncertainty
principle
photons
probability