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WorksheetsChemical Bonds Review
Total questions: 57
Worksheet time: 47mins
Which of the following has an element with a stable electron configuration?
lithium
barium
boron
helium
Typically, atoms gain or lose electrons to achieve
an exchange of energy.
ionization.
a stable electron confiuation.
vaporization.
An an element is most stable when
it only has to lose one electron to achieve stable configuration.
it can only form four bonds.
it has to gain only one electron to achieve stable configuration.
its highest occupied energy level is filled.
Ionization energies tend to
decrease from left to right acroos a period
increase from the top of a group to the bottom
increase from left to right across a period
decrease from the bottom of a group to the top
The formation of an ionic bond involves the
transfer of electrons
transfer of neutrons
transfer of protons
sharing of electrons
Which of the following statements correctly describes the substance with the formula KI?
There is a one-to-one ratio of potassium ions to iodide ions.
Potassium iodide is a molecular compound.
Potassium iodide is a polyatomic ion.
In the compound MgCl2, the subscript 2 indicates that
there are two magnesium ions for each ion of chlorine
the chloride ion is twice the size of the magnesium ion.
magnesium and chlorine form a double covalent bond.
there are two chloride ions for each magnesium ion.
When two atoms of the same nonmetal react, they often form a(an)
ionic bond
polyatomic ion
diatomic molecule
polar molecule
You see a structural formula in which the symbols for elements are connected by a long dash. You can assume that the chemical bonds in the compound are
ionic
covalent
metallic
unstable
Which of the follwoing formulas represents a compound whose molecules contain a triple bond?
O=O=O
O3
SO3
N≡N
In a polar covalent bond,
electrons are shared equally between atoms
a cation is bonded to an anion
electrons are transferred between atoms
electrons are not shared equally between atoms
In a chemical formula, the number of each type of atom in the compound is shown by numbers called
superscripts
chemical symbols
oxidation numbers
subscripts
Water has a higher boiling point than expected because
there is so much water vapor in the atmosphere
water molecules are not very massive
hydrogen and oxygen form single covalent bonds
of the strong attractions between polar molecules
How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?
2
3
6
8
The elements most likely to form more than one type of ion are the
transition metals
alkali metals
halogens
alkaline earth metals
Fluorine, forms a binary ionic compound with lithium. What is the name of this compound?
fluorine lithide
lithium fluoride
lithium fluorine
fluorine lithium
The name iron(II) indicated that a compound contains
iron ions with an 11+ charge
iron ions with a 2+ charge
iron ions with a negative charge.
two types of iron ions
Beryllium and chlorine from a binary ionic compound with a one-to-two ratio of berylllium ions to chloride ions. The formula for the compound is
Be2Cl
2BeCl
BeCl2
Be2Cl2
In the name carbon dioxide, the prefix of the second word indicates that a molecule of carbon dioxide contains
two carbon atoms
two oxygen atoms
a polyatomic ion
an ionic bond
In an electron dot diagram, each dot represents a(an)
valence electron
proton
valence neutron
polyatomic ion
In an ionic compound, the attractions between cations and _________ hold the compound together.
neutrons
polyatomic ions
anions
the nucleus
In the binary ionic compound calcium chloride, the element that forms the cations is _______.
bromide
calcium
A polar covalent bond forms when ______ are not shared equally between atoms.
electrons
protons
neutrons
polyatomic ions
A(An) ____ is a covalently bonded group of atoms that has a positive or negative charge.
element
magnesium
polyatomic ion
nonpolar
In ionic compounds, the sum of the charges of all the cations and anions must be _______.
zero
one
two
one hundred
What is the number that indicates how many electrons an atom must gain, lose, or share to become stable?
oxidation number
nonpolar molecule
polyatomic ion
binary compound
Shows what elements a compound contain and the ratio of the atoms in the compound
polyatomic ion
chemical formula
metallic bond
covalent bond
Covalently bonded group of atoms with a positive or negative charge
binary compound
polar molecule
oxidation number
polyatomic ion
Compound composed of two elements
binary compound
polar molecule
nonpolar molecule
ionic bond
Describes an atom that has a full outermost energy level
chemically stable
chemically unstable
ion
charged
Covalently bonded molecule that has a slightly positive and slightly negative end.
metallic bond
polyatomic ion
nonpolar molecule
polar molecule
The attraction that forms between two atoms when they share electrons.
covalent bond
ionic bond
metallic bond
The force that holds atoms togther in a compound.
chemical attractiveness
chemical bond
chemical formula
The attraction between a metal cation and the shared electrons that surround it.
ionic bond
covalent bond
metallic bond
The force of attraction between opposite charges of the ions in an ionic compound.
ionic bond
covalent bond
metallic bond
Covalent bond that has an equal sharing of electrons
nonpolar molecule
polar molecule
A charged particle that has either more or fewer electrons than protons
ion
molecule
formula
Write the formula for the following ionic compound using OXIDATION NUMBERS to form the compounds:
aluminum oxide
AlO
Al3O2
Al2O
Al2O3
Write the formula for the following ionic compound using OXIDATION NUMBERS to form the compounds:
lithium sulfide
Li2S
LiS
LiS2
Li3S2
Write the formula for the following ionic compound using OXIDATION NUMBERS to form the compounds:
sodium chloride
NaCl
SC
SCl
NaCl3
Write the formula for the following ionic compound that contains a TRANSITION METAL using OXIDATION NUMBERS.
copper (II) iodide
CuI
CoI
CuI2
CoI2
Write the formula for the following ionic compound that contains a TRANSITION METAL using OXIDATION NUMBERS.
titanium (IV) bromide
TiBr
TiBr5
Ti4Br
TiBr4
Write the formula of the following ionic compound containing a POLYATOMIC ION using OXIDATION NUMBERS.
sodium chlorate
Na3(ClO3)
Na(ClO3)
Na(ClO2)
Na(ClO)
Write the formula of the following ionic compound containing a POLYATOMIC ION using OXIDATION NUMBERS.
ammonium phosphate
(NH4)3P
(NH4)3(PO4)
(NH4)(PO4)3
(N)(PO4)3
Write the name for the following ionic compound.
MgCl2
magnesium chlorine
manganese chloride
magnesium chloride
manganese chlorine
Write the name for the following ionic compound.
AlN
aluminum nitride
aluminum nitrogen
aluminum nitrate
aluminum nitrite
Write the name for the following ionic compound.
BaCl2
berylium chloride
barium chloride
berylium chlorine
berylium chlorite
Write the name for the ionic compound containing a TRANSITION METAL.
FeCl2
iron (III) chloride
iron (II) chlorine
iron (II) chloride
iron (I) chloride
Write the name for the ionic compound containing a TRANSITION METAL.
V3N5
vanadium (V) nitride
vanadium (III) nitride
vanadium nitride
vanadium nitrite
Write the name for the ionic compound containing a TRANSITION METAL.
AuCl3
gold (III) chloride
gold (I) chloride
gold (III) chlorine
gold (I) chlorine
Write the name for the following ionic compound containing a POLYATOMIC ION.
K2(SO4)
potassium sulfite
potassium sulfide
potassium sulfur
potassium sulfate
Write the name for the following ionic compound containing a POLYATOMIC ION.
Ca(CO3)
calcium chromate
calcium carbide
carbon carbonate
calcium carbonate
Write the formula for the following molecular (COVALENT) compounds:
dihydrogen monoxide
HO
H1O2
H2O
H1O6
Write the formula for the following molecular (COVALENT) compound:
nitrogen tribromide
NBr3
N3Br
NBr
N5Br7
Write the name for the following molecular (COLVALENT) compounds.
P4S5
tetraphosphorus pentasulfide
phosphorus sulfide
pentaphosphorus tetrasulfide
tetraphosphide pentasulfide
Write the name for the following molecular (COLVALENT) compounds.
N2O3
nitrogen oxide
trinitrogen dioxide
dinitrogen trioxide
nitrogen dioxide
Write the name for the following molecular (COLVALENT) compounds.
CO
carbon monoxide
monocarbon monoxide
carbon oxide
tetracarbon hexaoxide
