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WorksheetsModule 3 Review
Total questions: 57
Worksheet time: 44mins
Neon is located in the last group of the periodic table. How many valence electrons does the element neon have? 3.01
1
2
4
8
Lithium is located in the first group of the periodic table. How many valence electrons does the element lithium have? 3.01
1
2
4
8
Carbon is located in the fourth tall column of the periodic table. How many valence electrons does the element carbon have? 3.01
1
2
4
8
The table shows the total number of electrons in Atom A and Atom B.
Which statement is correct? 3.01
A will give up electrons to form bonds.
B will give up electrons to form bonds.
Both A and B will be chemically unreactive.
Both A and B will gain electrons to become stable.
The table shows the total number of electrons in Atom A and Atom B.
Which statement is correct? 3.01
A will give up electrons to form bonds.
B will give up electrons to form bonds.
Both A and B will be chemically unreactive.
Both A and B will gain electrons to become stable.
The table shows the total number of electrons in Atom A and Atom B.
Which statement is correct? 3.01
A will give up electrons to form bonds.
B will give up electrons to form bonds.
Both A and B will be chemically unreactive.
Both A and B will gain electrons to become stable.
The electron configuration of an element is shown below.
1s22s22p63s1
Name the group this element belongs to in the periodic table and explain your answer.
Based on the electron configuration, write one chemical property of this element. 3.01
The electron configuration of an element is shown below.
1s22s22p63s23p6
Name the group this element belongs to in the periodic table and explain your answer.
Based on the electron configuration, write one chemical property of this element. 3.01
The electron configuration of an element is shown below.
1s22s22p5
Name the group this element belongs to in the periodic table and explain your answer.
Based on the electron configuration, write one chemical property of this element. 3.01
What is the charge on an atom after it gains an electron during the formation of a bond? 3.02
One positive charge
Two positive charges
Two negative charges
One negative charge
What is the charge on an atom after it loses an electron during the formation of a bond? 3.02
One positive charge
Two positive charges
Two negative charges
One negative charge
What is the charge on an atom after it gains two electrons during the formation of a bond? 3.02
One positive charge
Two positive charges
Two negative charges
One negative charge
What happens when the compound NaCl is formed? 3.02
Sodium transfers an electron to chlorine.
Sodium receives two electrons from chlorine.
Sodium forms an ion with −1 charge and chlorine forms an ion with +1 charge.
Sodium forms an ion with +2 charge and chlorine forms an ion with −2 charge.
What happens when the compound HCl is formed? 3.02
Hydrogen transfers two electrons to chlorine.
Hydrogen receives two electrons from chlorine.
Hydrogen forms an ion with −1 charge; chlorine forms an ion with +1 charge.
Hydrogen forms an ion with +1 charge; chlorine forms an ion with −1 charge.
What happens when the compound MgO is formed? 3.02
Oxygen transfers two electrons to magnesium.
Oxygen receives two electrons from magnesium.
Magnesium forms an ion with −1 charge; oxygen forms an ion with +1 charge.
Magnesium forms an ion with +1 charge; oxygen forms an ion with −1 charge.
Define electronegativity.
A neutral atom has high electronegativity.
Describe what happens to this atom during ionic bond formation. 3.02
Define ionization energy.
Describe how ionization energy impacts ionic bonding. 3.02
List the two factors that affect ionic bond formation.
Describe the trends of one of these factors in the periodic table. 3.02
Which of these statements best describes the formula unit for a compound made from Mg and Cl? 3.02
It is MgCl2 because the total negative charge on Cl is one.
It is Mg2Cl because the total negative charge on Mg is one.
It is MgCl2 because the total positive charge on Mg is two.
It is Mg2Cl because the total positive charge on Mg is two.
What is the formula unit for a compound made from Ca and O? 3.02
CaO2 because the total negative charge on O is two.
Ca2O because the total negative charge on Ca is one.
CaO because the total positive charge on O is one.
CaO because the total positive charge on Ca is two.
What is the formula unit for a compound made from Li and Cl? 3.02
LiCl because the total negative charge on Cl is one.
LiCl because the total negative charge on Li is two.
Li2Cl because the total positive charge on Cl is one.
Li2Cl because the total positive charge on Li is two.
The Lewis dot notation for two atoms is shown.
What is represented by this notation? 3.02
Na loses one proton to Cl.
Na loses one electron to Cl.
Na gains two protons from Cl.
Na gains one electron from Cl.
The Lewis dot notation for two atoms is shown.
What is represented by this notation? 3.02
Mg gains two protons from O.
Mg donates two protons to O.
Mg gains two electrons from O.
Mg donates two electrons to O.
The Lewis dot notation for two atoms is shown.
What is represented by this notation? 3.02
K loses one proton to Cl.
K gains one proton from Cl.
K loses one electron to Cl.
K gains one electron from Cl.
Which phrase best describes a covalent bond? 3.03
Gaining protons
Losing electrons
Sharing of protons
Sharing of electrons
Which phrase best describes the bond in O2? 3.03
Double covalent bond
Single covalent bond
Double ionic bond
Single ionic bond
Which phrase best describes the bond in H2?
Double covalent bond
Single covalent bond
Double ionic bond
Single ionic bond
What best describes the bonding in a water molecule? 3.03
An oxygen atom shares an electron pair with each H atom.
An oxygen atom shares a single electron with each H atom.
An oxygen atom receives an electron from each H atom.
An oxygen atom transfers an electron to each H atom.
What best describes the bonding in a silicon dioxide molecule? 3.03
A silicon atom transfers an electron to each oxygen atom.
A silicon atom receives two electrons from each oxygen atom.
A silicon atom shares an electron pair with each oxygen atom.
A silicon atom shares two electron pairs with each oxygen atom.
What best describes the bonding in a carbon dioxide molecule? 3.03
Carbon shares two of its electrons, and each oxygen shares four of its electrons.
Carbon shares four of its electrons, and each oxygen shares two of its electrons.
Carbon receives two electrons from each of the two oxygen atoms.
Carbon transfers two electrons to each of the two oxygen atoms.
Which of the following best represents and explains the formula for a compound made from carbon and hydrogen? 3.03
CH4, because four electron pairs are shared between carbon and hydrogen.
CH2, because two electron pairs are shared between carbon and hydrogen.
CH4, because each hydrogen contributes four electrons to the bonds.
CH2, because each carbon contributes two electrons to the bonds.
Which of the following best represents and explains the formula for a compound made from nitrogen and hydrogen?
NH4, because nitrogen needs four electrons, and each hydrogen needs one electron.
NH4, because nitrogen needs one electron, and each hydrogen needs four electrons.
NH3, because nitrogen forms a single bond with each hydrogen atom.
NH3, because nitrogen forms a triple bond with each hydrogen atom.
Which of the following best represents and explains the formula for a compound made from fluorine and hydrogen? 3.03
HF, because both fluorine and hydrogen are capable of forming only one ionic bond.
HF, because both fluorine and hydrogen are capable of forming only one covalent bond.
H2F, because fluorine is short of two electrons, and hydrogen is short of one electron
H2F, because fluorine is capable of forming one, and hydrogen is capable of forming two covalent bonds
Look at this image.
What does this image represent? 3.03
Formation of ionic bonds in water
Formation of covalent bonds in water
Transfer of valence electrons from oxygen to hydrogen
Sharing of valence electrons between two hydrogen atoms
Look at this image.
What do the dots in this image represent? 3.03
Ionic bonds in water
Covalent bonds in water
Shared valence electrons
Non-bonded valence electrons
Look at this image.
What do the lines in this image represent? 3.03
Ionic bonds between carbon and oxygen
Non-bonded valence electrons of oxygen
Double covalent bonds in carbon dioxide
Valence electrons donated in carbon dioxide
What does the first word in the name of a binary ionic compound represent? 3.04
The non-metal
The negative ion
The positive ion
The gaseous element
What does the second word in the name of a binary ionic compound represent? 3.04
The group 1 element
The negative ion
The positive ion
The metal
Which root word of the binary ionic compound ends with -ide? 3.04
The metal
The positive ion
The non-metal
The group 1 element
What is the name of the compound CaS? 3.04
Calcium sulfur
Calcium sulfide
Calcium sulfite
Calcium sulfate
What is the name of a compound having the formula Al2O3? 3.04
Aluminum peroxide
Aluminum ozone
Aluminum oxygen
Aluminum oxide
What is the name of a compound having the formula CaCl2? 3.04
Calcium chloride
Calcium dichloride
Calcium chlorate
Calcium perchlorate
Look at the image shown.
What does this image represent? 3.05
Linear molecule with one domain
Linear molecule with two domains
Tetrahedral molecule with four domains
Trigonal planar molecule with three domains
Look at the image shown.
What does this image represent? 3.05
Linear molecule with one domain
Linear molecule with two domains
Tetrahedral molecule with four domains
Trigonal planar molecule with three domains
Look at the image shown.
What does this image represent? 3.05
Linear molecule with one domain
Linear molecule with two domains
Tetrahedral molecule with four domains
Trigonal planar molecule with three domains
Which of the following explains the VSEPR geometry of a water molecule? 3.05
It is bent because there are four bonded pairs around oxygen.
It is tetrahedral because there are four bonded pairs around oxygen.
It is bent because there are two bonded pairs and two lone pairs around oxygen.
It is tetrahedral because there are two bonded pairs and two lone pairs around oxygen
Which of the following explains the VSEPR geometry of a carbon tetrachloride molecule? 3.05
It is bent because there are four bonded pairs around carbon.
It is tetrahedral because there are four bonded pairs around carbon.
It is bent because there are two bonded pairs and two lone pairs around carbon.
It is tetrahedral because there are two bonded pairs and two lone pairs around carbon.
Which of the following explains the VSEPR geometry of an ammonia(NH3) molecule? 3.05
It is tetrahedral because there are four bonded pairs around nitrogen.
It is trigonal pyramidal because there are four bonded pairs around nitrogen
It is tetrahedral because there are three bonded pairs and one lone pair around nitrogen.
It is trigonal pyramidal because there are three bonded pairs and one lone pair around nitrogen.
Which of the following are the weakest among the intermolecular forces? 3.06
Ion-dipole forces
Hydrogen bonding
Dipole-dipole forces
London dispersion forces
Which of the following are electrostatic interactions of permanent dipoles in polar molecules? 3.06
Ion-dipole forces
Hydrogen bonding
Dipole-dipole forces
London dispersion forces
Which of the following are dipole-dipole interactions that occur only between molecules containing N-H, O-H or F-H bonds? 3.06
Ion-dipole forces
Hydrogen bonding
Dipole-dipole forces
London dispersion forces
The boiling point of bromine is 59 °C. Which of the following best predicts the boiling point of iodine monochloride, a polar compound? 3.06
Higher than 59 °C because dipole-dipole interactions in iodine monochloride are stronger than dispersion forces in bromine.
Lower than 59 °C because ionic bonding in bromine is stronger than covalent bonding in iodine monochloride.
Lower than 59 °C because dipole-dipole interactions in iodine monochloride are weaker than in bromine.
Higher than 59 °C because ionic bonding in iodine monochloride is stronger than H-bonding in bromine.
The boiling point of chlorine is −34 °C. Which of the following best predicts the boiling point of iodine? 3.06
Higher than −34 °C because dispersion forces are stronger in iodine due to a greater number of electrons.
Lower than −34 °C because chlorine is more polar than iodine on account of its higher electronegativity.
Higher than −34 °C because dipole-dipole interactions in iodine are stronger than dispersion forces in chlorine.
Lower than −34 °C because permanent dipoles created in chlorine are stronger than temporary dipoles in iodine.
The boiling point of water (H2O) is 100 °C. Which of the following best predicts the boiling point of hydrogen sulfide (H2S)? 3.06
Higher than 100 °C because ion dipole interactions in hydrogen sulfide are stronger than hydrogen bonding in water.
Lower than 100 °C because hydrogen sulfide has dipole-dipole interactions instead of hydrogen bonding.
Lower than 100 °C because the hydrogen bonding in hydrogen sulfide is weaker than it is in water.
Higher than 100 °C because the size of a sulfur atom is larger than the size of an oxygen atom.
What type of element is carbon? 3.07
Chemically unreactive
Impure
Metal
Nonmetal
How many valence electrons does carbon have? 3.07
1
6
4
8
Which statement is true about carbon? 3.07
It shares its valence electrons.
It has two valence electrons.
It is non-reactive.
It is a metal.
