Which
atom in the ground state has only one unpaired electron in its valence shell?
*A.
Aluminum
B.
Silicon
C.
Phosphorus
D.
Sulfur
The shape and bonding of a diatomic bromine molecule are best described as
A.
Symmetrical and polar
*B.
Symmetrical and nonpolar
C.
Asymmetrical and polar
D.
Asymmetrical and nonpolar
What is the oxidation number of sulfur in H2SO4?
A.
0
B. -2
*C.
+6
D. +4
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