CHEM 1001/CHM1020/CHM1025C/CHM1032C Name: ______________
Module Three Sample Pretest
Module
Three Part M: Multiple Choice: Corwin Chapters 5, 6 (lecture) 5 points
Select the answer
which best fits the description:
____1. Which of the following best defines the
term isotopes?
(A) same number of protons-different number of
electrons
(B) same number of protons-different number of
neutrons
(C) same number of neutrons-different number of
protons
(D) same number of neutrons-different number of
electrons
(E) same number of electrons-different number
of protons
____2. What is the term for the value which
indicates the total number of protons and
neutrons
in an isotope of a given element?
(A) atomic notation
(B) atomic number
(C) atomic mass
(D) mass number
(E) none of the above
____3. The periodic law states that the properties
of elements repeat when the periodic
table is
arranged according to which of the following?
(A) increasing atomic mass
(B) increasing isotopic mass
(C) increasing atomic number
(D) increasing mass number
(E) increasing neutron number
____4. Which fourth period representative element
has the highest atomic number?
(A) Ca
(B) Kr
(C) Pb
(D) Fm
(E) Ge
____5.
Which element has the most metallic character.
(A) Li
(B) Na
(C) Ne
(D) Cs
(E) H
____6. Predict which of the following has chemical
properties most similar to arsenic.
(A) Ar
(B) Cl
(C) Ge
(D) Sb
(E) Se
____7. Which energy sublevel is being filled by
the elements K through Ca?
(A) 3d
(B) 4s
(C) 4p
(d) 4d
(E) 4f
____8. Predict the number of outer s & p
electrons (valence electrons) for the atom
sulfur.
(A) 2
(B) 4
(C) 6
(D) 16
(E) 32
____9. What is the predicted ionic charge for the
Barium ion?
(A) 1+
(B) 2+
(C) 3+
(D) 1-
(E) 2-
____10.What is the
principle which states that no two electrons in an atom can have the same set
of four quantum numbers?
(A) Hund’s Rule
(B) Pauli Exclusion Principle
(C) photoelectric effect
(D) quantum principle
(E) Uncertainty Principle
Answers: 1.b 2.d 3.c 4.b 5.d 6.d 7.b 8.c 9.b 10.b