Ionic Bonds Worksheet Page 2
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1
214.
Which type of bonds are formed when calcium
19.
A chemist performs the same tests on two
atoms react with oxygen atoms?
homogeneous white crystalline solids, A and B.
The results are shown in the accompanying table.
(1) polar covalent
(2) coordinate covalent
(3) ionic
(4) hydrogen
15. A white crystalline salt conducts electricity when
it is melted and when it is dissolved in water.
The results of these tests suggest that
Which type of bond does this salt contain?
(1) both solids contain only ionic bonds
(1) ionic
(2) metallic
(2) both solids contain only covalent bonds
(3) covalent
(4) network
(3) solid A contains only covalent bonds and
solid B contains only ionic bonds
16.
When a metal atom combines with a nonmetal
atom, the nonmetal atom will
(4) solid A contains only ionic bonds and solid B
contains only covalent bonds
(1) lose electrons and decrease in size
20. Base your answer(s) to the following question(s)
(2) lose electrons and increase in size
on the information below.
(3) gain electrons and decrease in size
Each molecule listed below is formed
by sharing electrons between atoms when
(4) gain electrons and increase in size
the atoms within the molecule are bonded
together.
17.
A hard substance that has a high melting point
Molecule A: Cl
and is a poor conductor of electricity in the solid
2
phase could be
Molecule B: CCl
4
Molecule C: NH
3
(1) CO
(2) Mg
(3) NaCl
(4) CCl
2
4
Explain how the bonding in KCl is di erent from
the bonding in molecules A, B, and C.
18.
The forces between atoms that create chemical
bonds are the result of interactions between
21.
Base your answer(s) to the following question(s)
on the balanced equation below.
(1) nuclei
2Na(s) + Cl
(g)
2NaCl(s)
2
(2) electrons
Explain, in terms of electrons, why the bonding in
NaCl is ionic.
(3) protons and electrons
(4) protons and nuclei
page 2
Ionic Bonds
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