Vocabulary
Vocabulary 2
Concept 4 Covalent Bonds
Concept 5 Molecular Geometry
Concept 6 Intermolecular Forces
100
A compound formed when two or more atoms share electrons
What is a Covalent Compound?
100
Electrons NOT in a bond
What is a bonded pair?
100
Write the names for the following covalent compounds:
SO2
B2Si
What is Sulfur dioxide and Diboron monosilicide
100
The most dominant intermolecular force at work between two HBr molecules would be______
What is Dipole-dipole forces?
100
Which of the following bonds would not be considered a type of intramolecular bond?
A. covalent B. hydrogen C. ionic D. metallic
What is B- Hydrogen?
200
A neutral group of atoms held together by covalent bonds
What is a Molecule?
200
Covalent compounds with partial charges in different locations within the overall neutral molecule
What is polar molecules?
200
Write the chemical formulas for the following covalent compound:
Dinitrogen pentoxide
What is N2O5
200
Which of the following would NOT be considered an electron domain?
A. Electrons shared in a bond B. Lone pairs
C. Double bond D. Central atom
What is a Central atom?
200
The most dominant intermolecular force at work between two HBr molecules would be .
A. London dispersion forces B. Hydrogen bonds
C. Covalent bonds D. Dipole-dipole forces
What is D- Dipole-Dipole Forces?
300
When 2 atoms of the same element exist naturally as a molecule
What is a Diatomic Element
300
The short-range attractive force between polar molecules
What is dipole-dipole forces?
300
Write the chemical formula for:
Carbon tetrahydride
What is CH4?
300
Identify the molecular shape for an element with 3 electron domains.
What is Trigonal Planar?
300
Which intermolecular force is responsible for the high surface tension of water?
A. London dispersion forces B. Hydrogen bonds
C. Covalent bonds D. Dipole-dipole forces
What is B- Hydrogen Bonds?
400
The space occupied by electrons
What is Electron Domain?
400
Covalent compounds with no partial charges because the electrons are equally shared
Nonpolar Molecules
400
Write the chemical formula for the following covalent compounds:
Dihydrogen dioxide
Selenium hexafluoride
What is H2O2 and SeF6
400
Identify the molecular shape for a diatomic element like H2.
What is Linear?
400
Molecules that are symmetrical tend to be . Molecules that are asymmetrical tend to be .
A. nonpolar; polar B. polar; nonpolar
C. nonpolar; nonpolar D. polar; polar
What is nonpolar and polar?
500
Electrons shared in a bond
What is Bonded Pairs?
500
Formed in a molecule when equal and opposite charges are separated by a short distance
Dipole Molecule
500
For Triple the points:****
Consider the compound that would mostly form between silicon and chlorine.
a. Would it be ionic or covalent? Justify your claim with reasoning.
b. Draw the Lewis structure to represent the compound that would form.
c. Write the chemical formula for the compound.
d. Write the name for the compound.
What is
a. covalent
b.
c. NH3
d. Nitrogen trihydride
500
24. Draw OF2. List how many lone pairs it has and predict its molecular geometry.
What is ____*______ and number of bonding pairs is 4 and molecular geometry is tetrahedral
*Teacher will draw out the correct answer.
500
For DOUBLE POINTS:
Predict which substance has the weakest intermolecular forces at work and Predict which substance is most likely to be an ionic compound.
What is Substance 4 and Substance 3?