Name _______________________________________________________________ Period ____________
Access the following website. Work through the tutorial and answer the questions provided below for some of
the slides.
http://www.pbslearningmedia.org/asset/lsps07_int_covalentbond/
Slide 1
How is covalent bonding typically explained?
Slide 2- Follow the instructions provided. Record at least two observations you made.
Slide 3- Answer the following questions.
How is the movement of the electrons different when the atoms are close?
What happens when you try to move the atoms very close to each other?
Slide 7
When both atoms are attracting both electrons where do the electrons spend most of the time?
Slide 9
What creates the situation in which both atoms are stuck together?
Slide 11 & 12
What type of atoms will form covalent bonds?
Slide 13
In covalent bonds does hydrogen act as a metal or nonmetal?
Slide 16
Why does the potential energy of the atoms decrease as the atoms move closer to each other?
Slide 17
Why does the potential energy begin to increase of you try to move the atoms any closer?
Slide 18
What have atoms arranged with minimal potential energy achieved?
Slide 19
Are atoms more stable when they are bonded together or when they are apart?
Slide 20
Complete the following statement.
Lower in energy =
Slide 21
How is a pair of shared electrons represented when we draw a picture of molecules?
Slide 22
How many pairs of electrons are in a double bond?
How many total shared electrons are in a double bond?
Slide 23
How many pairs of electrons are in a triple bond?
How many total shared electrons are in a triple bond?
Slide 24
Which covalent bond tends to be the weakest of the three types?
Which covalent bond tends to be the strongest of the three types?
Slide 30- Complete the following chart.
Number of atoms
in molecule
1
2
3
4
5
6
PREFIX
Slide 31
When is the prefix mono- NOT used?
Slide 32- Provide the correct compound name to the following formulas.
Formula
Compound name
N2O
NO2
N2O4
N2O3
NO
Slide 33- Provide the formula that matches each compound name.
Compound name
Disulfur dichloride
Sulfur dioxide
Disulfur trioxide
Disulfur monoxide
Sulfur trioxide
Formula