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Chapter 4 Test
20 multiple choice
Test will be given
Wednesday October 16,
Chapter 4 Test Question Topics
20 multiple choice questions.
1- Know the definitions of the ground state and the excited states of
an atom.
2- What must occur for an atom to move from the ground to the
excited state or from the excited to the ground state?
3- Know the definitions of an electron cloud and an atomic nucleus.
4- What determines the size and shape of an electron cloud?
5- Know how many quantum numbers are needed to describe an
electron in an atom.
6- Know what each quantum number represents.
7- Calculate the number of possible electrons per energy level
using the formula “ 2n2 “.
8- Know the shapes of “s” and “p” orbitals and the number of
each type of orbital (s, p, d, f) and the highest possible
number of electrons per orbital type.
9- Know the definitions of the Aufbau principle, Pauli exclusion
principle, and Hund’s rule.
10- Use electron configuration notation to determine the
number of electrons, the atomic number, and the identity of
11- Know the definition of an octet of electrons.