Font size
WorksheetsBonding Unit Practice Test
Total questions: 68
Worksheet time: 37mins
Which of the following is a correct Lewis Dot diagram for an ionic bond?
Which of the following are true regarding this element's electron dot structure? Select TWO correct answers.
It represents an element that is classified as a noble gas.
It represents an element that is from the halogen group.
It represents an element that will readily give an electron away.
It represents an element that will readily accept an electron.
It represents an element that is metallic.
Which of the following is a correct Lewis Dot diagram for a covalent bond?
O:H:O
O:H:H
K:I:
What is a Lewis valence e-dot structure?
a representation of the valence electrons arranged around the nucleus of an atom
a model to predict the mass of the molecule
a representation of the protons in an atom
a list of where all the electrons are located in an atom
Which particles are represented by the dots in Lewis valence e-dot structures?
core electrons
valence electrons
protons
all electrons
Examine the Lewis Dot Structure for potassium iodide. Why are there 8 dots around the symbol for iodine (I)? Select TWO correct answers.
Each dot represents a covalent bond, of which there are 8 in potassium iodide.
The valence electrons from potassium combine with those for iodine, adding up to 8.
Each dot represents an ionic bond, of which there are 8 in potassium iodide.
Eight electrons is the maximum to fill the outer shell for this compound.
Each dot represents the number of protons in the nucleus of both atoms.
Which of the following statements are true regarding Lewis Dot Structures? Select TWO correct answers.
The mass number determines how the electrons will be arranged.
They illustrate valence electrons with dots.
They represent how valence electrons are distributed around atoms.
The dots represent the protons and neutrons in the nucleus.
All electrons are shown in a Lewis Dot Structure.
Alkaline earth metals are NOT found in their free state in nature. Their electron configurations contain two outer electrons. Because they easily give up these two outer electrons, what type of bond do they typically form?
covalent
hydrogen
ionic
metallic
Which statement BEST describes how potassium bonds with bromine?
Potassium will donate an electron to bromine.
Bromine will donate an electron to potassium.
Bromine will donate seven electrons to potassium.
Potassium will share seven electrons with bromine.
Which of these is a correctly drawn electron dot formula for ammonia (nitrogen trihydride)?
What is the correct electron dot formula for carbon dioxide?
What is the correct electron dot formula for sodium chloride?
The electron dot diagram of each ion is used to show the construction of an ionic compound. In lithium fluoride (LiF), lithium loses one electron, fluorine atom gains one electron. Which of the following describes the lithium and fluoride ions?
What is the name of the binary compound for the formula NH₄OH? Enter the correct answer in the box.
(a)
Which of the following are true for the compound CaCl₂? Select TWO correct answers.
Its name is calcium chlorite.
Its name is calcium chloride.
It forms a metallic bond.
It forms a covalent bond.
It forms an ionic bond.
What is the name of the binary compound for the formula CaCl2?
calcium boronite
calcium chlorine
calcium chloride
calcium hypochlorate
What type of bonding occurs in the compound calcium chloride?
ionic
nuclear
metallic
covalent
What is the name of the binary compound of the formula CaBr₂?
calcium boronite
calcium bromide
calcium bromine
calcium barium
What is the type of bonding found in calcium bromide?
metallic
covalent
ionic
nuclear
Which of the following are compounds that contain a covalent bond? Select TWO correct answers.
CaCl₂
Na₂
NaCl
SO₂
CO
What is the chemical formula for aluminum sulfate?
AlS
AlSO₄
Al₂(SO₄)₃
Al₃(SO₄)₂
Ammonia is a very commonly used covalent compound. Its scientific name is nitrogen trihydride. What is the chemical formula for ammonia?
HN₄
NH₃
H₃N
NH₄
What is the chemical formula for the carbon tetrachloride?
CCl₃
CCl₄
C₃Cl
C₄Cl
What is the name for the compound Na₃(PO₄)?
Sodium phosphorus
Sodium phosphide
Sodium phosphite
Sodium phosphate
What is the formula for sodium fluoride?
NaF
Na₂F
NaF₂
Na₂F₂
What is the formula for iron (II) oxide?
Fe₂O₂
Fe₂O
FeO
FeO₂
Which of the following is the metallic ion in sodium fluoride?
Na 1⁻
Na 1⁺
F 2⁻
F 2⁺
What is the formula for copper (I) oxide?
Cu₂O₃
Cu₂O
CuO₂
CuO
The ions in calcium chloride dissociate in the presence of water. What is the cation that is produced in this reaction?
hydrogen (H⁺)
oxygen (O⁻²)
calcium (Ca⁺²)
chlorine (Cl⁻)
What is the chemical formula of copper (I) sulfate?
CuSO₄
Cu₂SO₄
Cu₂(SO₄)₂
Cu₂(SO₄)₂
What is the chemical formula of the phosphate ion?
PO₄⁻
HPO₄²⁻
H₂PO₄²⁻
PO₄³⁻
Based on the positions of the elements on the periodic table, what is the chemical formula of aluminum sulfide?
AlS
Al₂S
Al₂S₃
Al₄S₂
What is the correct name for the compound whose formula is Na₂SO₄?
disodium sulfate
sodium sulfoxide
sodium sulfate
sodium sulfite
What is the correct name for the compound whose formula is Fe₂O₃?
iron oxide
iron trioxide
iron(II) oxide
iron(III) oxide
What is the IUPAC name of the compound whose formula is (NH₄)₃PO₄?
ammonium phosphate
triammonium monophosphate
triammonium phosphate
ammonium phosphide
What is the chemical formula of chromium(VI) sulfate?
CrSO₄
Cr(SO₄)₃
Cr₂(SO₄)₃
Cr₆SO₄
What is the chemical formula of iron(III) hydroxide?
Fe(OH)₂
Fe(OH)₃
Fe₃(OH)
Fe₂(OH)₃
What is the chemical formula of magnesium fluoride?
MgF
MgF₂
MgF₃
Mg₂F₂
What is the chemical formula of cobalt(II) hydroxide?
Co(OH)₂
CO₂(OH)
CoH₂
CO₂H₂O
What is the IUPAC name for the compound with a chemical formula B₆Si?
hexasilicide boron
boron heptasilicide
hexaboron silicide
boron heptasilicon
What is the IUPAC name for the compound N₂O₃?
nitric oxide
nitrous oxide
dinitrogen trioxide
trioxygen dinitride
What is the accepted IUPAC name for the compound Mg₃P₂?
trimagnesium biphosphide
dimagnesium triphosphide
trimagnesium phosphide
magnesium phosphide
This compound is (a) in its molecular form. It forms a/an (b) bond since its electrons are shared.
Nitrogen gas and hydrogen gas react to form ammonia as shown in the chemical reaction
N2 + 3H2 --> 2NH3
What is the correct Lewis Dot Structure for ammonia, and what type of chemical bond is it?
ionic
covalent
covalent
ionic
Formaldehyde (CH2O) is used as a preservative for embalming dead bodies. Which of these is the correct Lewis structure for formaldehyde?
Which of these is the correct Lewis Structure for sulfur trioxide?
Which of these is the correct Lewis Structure for calcium nitride?
A chemistry teacher made up a portion of a periodic table with random letters rather than the actual elements to help quiz students. The teacher asked, "Which two letters on the periodic table would form a covalent bond?" Choose the TWO points that represent this covalent bond by selecting the appropriate boxes.
The electron dot formula for NaCl is shown here. This compound's name is (a) . It forms a/an (b) bond because electrons are transferred.
What is the chemical formula for potassium chloride?
KCl
K₂Cl
KCl₂
K₂Cl₂
Which of the following compounds is formed by covalent bonding?
NaCl
MgCl₂
CaO
H₂O
What is the IUPAC name for the compound with the formula CO₂?
carbon monoxide
carbon tetroxide
carbon dioxide
carbon trioxide
What is the chemical formula for potassium nitrate?
K₂NO₃
KNO₂
KNO₃
K₂NO₂
What is the IUPAC name for the compound with the formula H₂O₂?
hydrogen peroxide
hydrogen dioxide
hydrogen oxide
hydroxide
What is the chemical formula for barium nitrate?
Ba₂(NO₃)₃
BaNO₃
Ba(NO₃)₂
Ba(NO₃)₃
Which of the following is the anion in calcium carbonate?
CO₃²⁻
Ca²⁺
CaCO₃
O²⁻
What is the chemical formula for lithium chloride?
Li₂Cl₂
LiCl₂
LiCl
Li₂Cl
What is the name of the binary compound for the formula MgO?
magnesium oxide
magnesium oxalate
magnesium oxygen
magnesium oxite
Which type of bond is typically formed between sodium and chlorine?
metallic
ionic
hydrogen
covalent
What is the chemical formula for sulfur hexafluoride?
S₆F
S₂F₆
SF₆
SF₄
Which of the following compounds is formed by ionic bonding?
CO₂
H₂O
NaBr
CH₄
What is the chemical formula for calcium chloride?
CaCl
Ca₂Cl
CaCl₂
Ca₂Cl₂
What is the IUPAC name for the compound with the formula H₂S?
hydrogen sulfide
hydrogen sulfate
hydrogen sulfite
hydrogen sulfur
Which of the following compounds is formed by metallic bonding?
Cu
CO₂
H₂O
NaCl
What is the chemical formula for sodium chloride?
Na₂Cl₂
NaCl₂
Na₂Cl
NaCl
What is the chemical formula for calcium carbonate?
Ca₂(CO₃)₂
Ca(CO₃)₂
Ca₂CO₃
CaCO₃
What is the IUPAC name for the compound with the formula KCl?
potassium perchlorate
potassium chloride
potassium chlorate
potassium chlorite
Which of the following compounds is formed by ionic bonding?
NaCl
CH₄
O₂
H₂O
