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Atomic Structure and Quantum Chemistry
Give the one main contribution to the development of the atomic model from each of the
following scientists: Dalton, Thomson,
Rutherford, Chadwick, and Bohr.
(2) Identify elements by both name and chemical symbol using a periodic table.
(3) Compare protons, electrons, and neutrons in terms of charge, mass, and location in an
atom.
(4) Use the periodic table to determine the number of protons, electrons, neutrons, and atomic
mass for a given element.
(5) Define isotope and state how the atomic structure for isotopes of the same element are
similar and different.
(6) Calculate the average atomic mass from the relative abundances and masses of each isotope.
(7) Define valence electrons and determine the number of valence electrons for an atom.
(8) Locate rows/periods and groups/families on the periodic table.
(9) Draw the Bohr diagram for an atom showing protons and neutrons and the number of
electrons in each shell. Draw the Bohr diagram for
the ion of an element, showing how the atom establishes a full valence shell. Determine the
noble gas that the atom resembles once it forms an
ion.
(10) Define ion and determine the charge for the ion of an element from the periodic table.
Determine the number of electrons for an ion. Give
the symbol for the ion.
(11) Define cation and anion.
(12) Define and give examples of electromagnetic radiation.
(13) Define wavelength and frequency and state the units used to measure each quantity.
(14) Perform calculations involving wavelength, frequency, and energy, giving answers with the
appropriate units and significant figures.
(15) Describe the experiment used to show the photoelectric effect and the significance of the
findings by defining a photon
(16) Discuss the quantum numbers: principal quantum number, angular momentum
quantum number, magnetic quantum number, and spin quantum number and the properties
they define.
(17) List the four different kinds of atomic orbitals by their letter designation and state the
number of electrons that each can hold.
(18) Give orbital notation for a given atom/ion by applying the Aufbau Principle, Hund’s
Rule, and the Pauli Exclusion Principle.
(19) Write electronic configuration for a given atom/ion.
(20) Write noble gas configuration for a given atom/ion.
(21) Recognize an excited state for a given element.
(22) Give two elements that are exceptions to the regular electron configuration rules and write
the actual configuration for these elements.