CHE 105 Name________________________________
Spring 2007
Exam #2
1. Main group elements that are non-metals usually _____ one or more electrons to form
_______, which have a ________ charge.
a. lose; anions; negative d. gain; cations; positive
b. lose; cations; negative e. gain; anions; negative
c. lose; cations; positive
2. An element belonging to the alkaline earth family would be expected to have a _____
ionization energy and a ______ electron affinity.
a. large; large d. small; large
b. large; small e. none of these
c. small; small
3. What is the most likely charge on an ion formed by an element with a valence electron
configuration of ns2np4?
a. 2- b. 1- c. 2+ d. 4+ e. 6+
4. What fourth period element is represented by the dot structure shown?
X:
a. K b. Ca c. V d. As e. Kr
5. The name of S2- is
a. sulfur d. sulfide ion
b. sulfate ion e. sulfurous ion
c. sulfite ion
6. The name of Cu2+ is _____ ion or _____ ion.
a. copper; cupric d. copper(1); cuprous
b. copper(i); cupric e. copper(II); cuprous
c. copper(II); cupric
7. The permanganate ion is composed of
a. one atom of magnesium, four atoms of oxygen, and one extra electron.
b. one atom of manganese, four atoms of oxygen, and one extra electron.
c. four atoms of magnesium, four atoms of oxygen, and one extra electron.
d. four atoms of manganese, four atoms of oxygen, and one extra electron.
e. one manganese(II) ion, four oxide ions, and two extra electrons.
