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WorksheetsLewis Structure, Bonds + Nomenclature Review
Total questions: 50
Worksheet time: 28mins
The ions in most ionic compounds are organized into a
molecule
crystal lattice
Lewis Structure
polyatomic ion
Ionic compounds are formed by ionic bonds between
metals and metals
transition metals
nonmetals and nonmetals
metals and nonmetals
Which of the following atom’s Lewis dot notation shows six valence electrons?
nitrogen
magnesium
sulfur
iodine
How many electrons do strontium atoms generally lose?
0
1
2
3
Cesium has an electronegativity value of 0.7 and fluorine has an electronegativity value of 4.0. Which of the following statements is true?
Cesium has less of a tendency to attract electrons than fluorine.
Fluorine repels electrons more than cesium.
Cesium attracts electrons easier than fluorine.
Fluorine has less of a tendency to attract electrons than cesium.
If atoms that share electrons have an unequal attraction for the electrons, the bond is called
ionic
polar
nonpolar
metallic
The melting points of ionic compounds are higher than the melting points of molecular compounds because
ionic compounds are brittle.
attractive forces between ions are stronger than the attractive forces between molecules.
Ionic substances are all flammable.
none of the above
Which of these compounds would have the highest melting point?
NH₃
OF₂
H₂O
NaCl
The chemical formula for water is H₂O. This formula is an example of a(n)
Lewis Structure
formula unit
molecular formula
ionic formula
Which of the following molecules has a single covalent bond?
F₂
CO₂
N₂
NO
Which of the following molecules has a single lone pair of electrons?
HCl
CH₄
H₂O
NH₃
What is the molecular shape for carbon tetrachloride, CCl₄.
square
tetrahedral
trigonal planar
trigonal pyramidal
Which of the properties listed below is not a property of ionic compounds?
crystalline structure
brittle
low melting point
high melting point
A covalent bond between two different atoms in which the bonding electrons are not shared equally is a
polar bond
nonpolar bond
ionic bond
hydrogen bond
Which of the following is the correct Lewis structure for hydrogen chloride, HCl?
a
b
c
d
Determine the Lewis Structure for the nitrate ion, NO₃⁻. Then, predict its molecular geometry.
Linear
Trigonal planar
Tetrahedral
Bent
The element symbols in the Lewis Structure have been replaced with X and Y. Which of the compounds below could be represented by this Lewis Structure?
F₂
KCl
CO
O₂
The electrons involved in the formation of a chemical bond are called
dipoles.
s block electrons
Lewis electrons
valence electrons
Which of the pairs of elements below will form the least polar bond?
O and F
Li and S
Na and Cl
Li and P
Based on the table to the right, which of the following statements is true?
When the END is greater than 1.7 atoms for a covalent bond.
The END has no affect on the type of bond formed between two atoms
As the END increases, the polarity of the bond increases.
If the END between two atoms is 0.2, the bond between the two atoms will be polar.
Compared with ionic compounds, molecular compounds
have higher boiling points.
have lower melting points.
are harder.
are brittle.
When drawing a Lewis Structure, the central atom is generally the
atom with the fewest electrons.
atom with the least electronegativity.
atom with the highest atomic number.
atom with the most electrons.
Draw the Lewis Structure for NH₂Cl and, according to the VSEPR theory, identify the shape of the molecule.
Linear
Trigonal Planar
Tetrahedral
Trigonal Pyramidal
Identify the shape of the H₂O molecule according to the VSEPR theory.
Linear
Trigonal Planar
Tetrahedral
Bent
Draw the Lewis Structure for C₂H₄ and, according to the VSEPR theory, identify the shape of the molecule.
Linear
Trigonal Planar
Tetrahedral
Bent
Draw the Lewis Structure for ONCl and, according to the VSEPR theory, identify the shape of the molecule.
Linear
Bent
Trigonal Planar
Tetrahedral
Draw the Lewis Structure for SiHBr3 and, according to the VSEPR theory, identify the shape of the molecule.
Linear
Bent
Trigonal Planar
Tetrahedral
Identify the shape of the C₂H₃O₂⁻¹ molecule according to the VSEPR theory.
Linear
Trigonal Planar
Tetrahedral
Bent
Name the following ionic compound: BeCl2
beryllium chlorine
beryllium II chloride
beryllium chloride
beryllium dichloride
MgI2
Magnesium Iodine
Monomagnesium di-iodide
Magnesium iodide
Magnesium tetraiodide
What combination of elements will form a covalent compound?
Metal and transition metal.
Metal and metal.
Metal and nonmetal.
Nonmetal and nonmetal.
3. Covalent compounds
Share electrons
transfer electrons
contain a sea of electrons
conduct electricity
What is the formula for phosphorous acid?
H3PO4
H2PO4
H3P
H3PO3
Name this acid with the formula HF
hydrofluoric acid
hypofluoric acid
hydrogen fluorine acid
fluoric acid
What is the formula for hydrochloric acid?
HCl
HClO
H3ClO3
HClO3
Name this acid: H2SO4
hydrogen sulfate
hydrosulfuric acid
sulfuric acid
sulfurous acid
When naming oxyacids, change "-ite" to:
-ate
-ic
-ous
-ite
Binary acids start with the prefix "____________"
acid
nitric
hydraulic
hydro
