Chemistry Chapter 5 – Electrons in Atoms
Study Guide
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Vocabulary
o Atomic emission spectrum
o Atomic orbital
o Aufbau principle
o Electron configuration
o Energy level
o Ground state
o Hund’s rule
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Pauli exclusion principle
Photoelectric effect
Photon
Principle quantum number
Quantum
Sublevel-Orbital
Objectives
o Know the different atomic models associated with Dalton, Thomson, Rutherford, Bohr and
Schrodinger
o Understand Einstein and DeBroglie’s contribution to the understanding of the electron
o Distinguish between orbits and orbitals
o Be able to calculate the number of sublevels, orbitals, and electrons found in each energy level (See
table on reference sheet)
o Describe how the shapes of orbitals related to different sublevels differ
o Know the 3 rules that govern electron configurations
o Be able to draw Aufbau diagrams
o Be able to write electron configurations (longhand and shorthand) or to identify elements based on
their electron configurations
o Know the difference between quantum and photon
o Be able to use E=h to solve problem
o Be able to use c=to solve problem
Chemistry Chapter 6 – The Periodic Table
Study Guide
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Vocabulary
o Alkali metals
o Alkaline earth metals
o Anion
o Atomic radius (size)/Ionic radius (size)
o Blocks on the periodic table
o Cation
o Electron affinity
o Electronegativity
o Family
o Group
o Halogens
o Inner transition metals
o Ion
o Ionization energy
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Isoelectronic
Metalloids
Metals
Noble gases
Nonmetals
Outer shell electron configuration
(valence electrons)
Nuclear charge
Nuclear shielding
Period
Periodic law
Representative elements
Transition metals
Objectives
o Explain how elements are organized on the periodic table
o Know the contributions of Mendeleev and Moseley
o Identify the various types and families of the elements
o Describe the information shown by the periodic table
o Identify an element based on its electron configuration, period number, group number, family, or
periodic trend data
o Understand the periodic trends for:
 Atomic radius / Ionic size
 Ionization energy
 Electronegativity/Electron affinity
 Nuclear charge
 Nuclear shielding