Week 12
1. An ionic bond results from _________
electrons, while a covalent bond is a result of
______ electrons.
A. shared, transferred
C. outer, inner
B. transferred, shared
D. inner, outer
2. Which pair of elements will likely
form an ionic bond?
A. K and H
B. N and C
C. K and Cl
D. C and H
3. How many atoms of oxygen are
present in one molecule of H2SO4?
A. 1
B. 2
C. 4
D. 8
4. Which pair of elements has
the most physical and chemical
properties in common?
a. Ge and Se
b. K and Kr
c. Al and Ga
d. Ba and Bi
5. Silver is a transition metal that carries a
charge of +1 as an ion. Bromine is a halogen
that produces an ion with a -1 charge. Which
of the following chemical formulas correctly
represents 2 molecules of silver bromide?
A. 2AgBr
C. Ag2Br2
B. Ag(Br)2
D. 2Ag2Br2
6. What is the chemical formula stable
ionic compound formed between
magnesium and nitrogen?
A. MgN
B. Mg2N3
C. Mg3N2
D. MgN2
7. The compound formed from the
elements calcium and chlorine is
known as
A. Chlorine calcide
B. Calcium dichloride
C. Calcium chloride
D. Calcium chlorate
8. What is the correct formula for the
compound lithium oxide?
a.
b.
c.
d.
LiO
Li2O
LiO2
Li2O2
9. When barium metal reacts with
chlorine gas it forms an ionic
compound. What is the chemical
formula for barium chloride?
a.
b.
c.
d.
BaCl
Ba2Cl
Ba2Cl2
BaCl2
10. Magnesium loses two electrons to
form magnesium ions. Chlorine gains
one electron to form chloride ions.
Select the correct formula for
magnesium chloride.
A.
B.
C.
D.
MgCl
Mg2Cl
MgCl2
Mg2Cl2