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WorksheetsChemical Bonding Review
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
In drawing a Lewis structure, each nonmetal atom except hydrogen should be surrounded by
a)
2 electrons
b)
4 electrons
c)
8 electrons
d)
10 electrons
2.
The properties of both ionic and molecular compounds are related to the
a)
lattice energies of the compounds.
b)
strengths of attraction between the particles in the compounds.
c)
number of covalent bonds each contains.
d)
mobile electrons that they contain.
3.
In metals, the valence electrons
a)
are attached to particular positive ions.
b)
are shared by all of the atoms.
c)
are immobile.
d)
form covalent bonds.
4.
In metallic bonds, the mobile electrons surrounding the positive ions are called a(n)
a)
Lewis structure.
b)
electron sea.
c)
electron cloud.
d)
dipole.
5.
Malleability and ductility are characteristic of substances with
a)
covalent bonds.
b)
ionic bonds.
c)
Lewis structures.
d)
metallic bonds.
6.
A polar molecule contains
a)
ions.
b)
a region of positive charge and a region of negative charge.
c)
only London forces.
d)
no bonds.
7.
A chemical formula includes the symbols of the elements in the compound and subscripts that indicate
a)
atomic mass of each element.
b)
number of atoms or ions of each element that are combined in the compound.
c)
formula mass.
d)
charges on the elements or ions.
8.
If two covalently bonded atoms are identical, the bond is
a)
nonpolar covalent.
b)
polar covalent.
c)
dipole covalent.
d)
coordinate covalent.
9.
When atoms share electrons, the electrical attraction of an atom for the shared electrons is called the atom's
a)
electron affinity.
b)
electronegativity.
c)
resonance.
d)
hybridization.
10.
Which of the following shows the types and numbers of atoms joined in a single molecule of a molecular compound?
a)
molecular formula
b)
potential energy diagram
c)
covalent bond
d)
ionic bond
11.
What group of elements satisfies the octet rule without forming compounds?
a)
halogen
b)
noble gas
c)
alkali metal
d)
alkaline-earth metal
12.
An ionic bond results from electrical attraction between
a)
cations and anions.
b)
atoms.
c)
dipoles.
d)
orbital.
13.
A nonpolar covalent bond is unlikely when two atoms of different elements join because the atoms are likely to differ in
a)
density.
b)
state of matter.
c)
electronegativity.
d)
polarity.
14.
To draw a Lewis structure, it is not necessary to know
a)
which atoms are in the molecule.
b)
bond energies.
c)
the number of valence electrons for each atom.
d)
the number of atoms in the molecule.
15.
The principle that states that atoms tend to form compounds in which each atom has eight electrons in its highest occupied energy level is called the
a)
rule of eights.
b)
configuration rule.
c)
Avogadro principle.
d)
octet rule.
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