WorksheetsCovalent Bonds Review
Total questions: 20
Worksheet time: 11mins
Which two elements will form a covalent bond?
Magnesium and Chlorine
Sodium and Bromine
Iron and Sulfur
Carbon and Oxygen
What is true about covalent compounds? (Check all that apply.)
bonds are generally weak
formed between metals and nonmetals
low melting and boiling points
solids are usually soft
How are covalent compounds formed?
when electrons are gained or lost
when electrons are transferred
when electrons are shared
none of the above
What is the name of CH3?
Carbon (III) hydride
Carbon hydroxide
Carbon trihydride
Carbon hydride
What is the name of H2O2?
Hydrogen oxide
Hydrogen (II) oxide
Dihydrogen dioxide
Hydroxide
What is the name of PS3?
Potassium trisulfide
Potassium (III) sulfate
Phosphorus trisulfide
Phosphorus sulfide
What is the chemical formula for Carbon tetrachloride?
C(ClO3)4
C4Cl
CCl4
CClO3
What is the chemical formula for Disulfur trioxide?
SO
S3O2
S2(OH)3
S2O3
What is the chemical formula for Dihydrogen monoxide?
HO2
H2O
HO
H2O2
Which statement is true?
Ionic and covalent compounds are called formula units.
Ionic compounds are formulas units and covalent compounds are molecules.
Ionic compounds are molecules and covalent compounds are formula units.
Ionic and covalent compounds are called molecules.
How many valence electrons are nonmetals trying to have to become more stable?
5
6
7
8
Which of these elements exists at diatomic molecules? (Check all that apply.)
Oxygen
Sulfur
Nitrogen
Fluorine
Hydrogen
Which element has the highest electronegativity on the periodic table?
Hydrogen
Magnesium
Oxygen
Fluorine
Which type of bond is the strongest?
single bond
double bond
triple bond
They are all the same.
What is true about Lewis Structures? (Check all that apply.)
Lewis Structures show all of the electrons for each atom in the molecule.
Lewis Structures can be drawn using valence electrons of the atoms in a molecule.
Lewis Structures can be used to determine the molecular geometry of a molecule.
Lewis Structures show ions that have gained and lost electrons.
Which electron pair takes up more space and determines the shape of a molecule?
bond
lone pair
They take up the same space.
What will the shape of a molecule be if the center atom has 3 bonding domains and 1 nonbonding domain?
bent
trigonal planar
trigonal pyramidal
tetrahedral
What is the shape of CH4?
bent
trigonal planar
trigonal pyramidal
tetrahedral
What is the shape of H2O?
linear
bent
trigonal planar
trigonal pyramidal
Which of these types of bonds occur within or between molecules? (Check all that apply.)
ionic bonding
hydrogen bonding
London dispersion forces
dipole moments
