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Lesson 7.5 Polar molecules have polar bonds

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Last updated 8 days ago
29 questions
Untitled Section 1
Practice Identifying Ionic, Polar and Nonpolar bonds using electronegativity
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Putting Polar Bonds into Molecules
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Trim End | 04:52
Question 1 | 00:49
Question 2 | 02:09
Question 3 | 02:47
Questions 4 & 5 | 04:33
00:00/00:00
Question 1
00:49
Question 2
02:09
Question 3
02:47
Questions 4 & 5
04:33
Question 6
6.

The difference in electronegativity between chlorine and hydrogen is

Question 7
7.
The bond between a chlorine atom and a hydrogen atom is __________ . The chlorine atom is________________________________. The hydrogen atom is ________________________________ .
Other Answer Choices:
positively charged with a positive charge of +1
slightly negatively charged
nonpolar
ionic
negatively charged
slightly positively charged
polar
negatively charged with a charge of -1
Question 8
8.

The difference in electronegativity between oxygen and hydrogen is

Question 9
9.
The bond between an oxygen and a hydrogen is __________ . The oxygen atom is________________________________ . The hydrogen atom is ________________________________ .
Other Answer Choices:
nonpolar
polar
negatively charged
slightly negatively charged
slightly positively charged
positively charged with a positive charge of +1
ionic
negatively charged with a charge of -2
Question 10
10.

What is the electronegativity different between oxygen and sodium?

Question 11
11.
The bond between an oxygen atom and a sodium atom is __________ . The oxygen atom is___________________________________________ . The sodium atom is ____________________________________________________ .
Other Answer Choices:
nonpolar
slightly negatively charged
polar
negatively charged
negatively charged with a charge of -2
positively charged with a positive charge of +1
ionic
slightly positively charged
Question 12
12.

What is the electronegativity difference between carbon and hydrogen atoms?

Question 13
13.
The bond between a carbon atom and a hydrogen atom is _____________ . The carbon atom is____________ . The hydrogen atom is ____________ .
Other Answer Choices:
polar
slightly negatively charged
nonpolar
negatively charged
slightly positively charged
positively charged with a positive charge of +1
neutral
ionic
Negatively charged with a charge of -4
Question 14
14.

Polar bonds in organic molecules tend to contain hydrogen. Which elements make polar bonds with hydrogen?

Question 15
15.

Which elements make polar bonds with carbon?

Choose the two atoms option

and make sure that all the boxes are click on. It should look like this

Question 16
16.

Examine how the initial screen and make the best match for each term or symbol

Draggable itemarrow_right_altCorresponding Item
δ⁻
arrow_right_alt
created by a separation of charge
separation of charge
arrow_right_alt
slightly positively charged
polar bond
arrow_right_alt
slightly negatively charged
δ⁺
arrow_right_alt
bond in with a slightly positive end and a slightly negative atom
dipole
arrow_right_alt
positive in one area and negative in another
Question 17
17.

Set the electronegativity to the approximate settings in the picture. Draw in the bond dipole and show the partial charges.

Question 18
18.

Set the electronegativity to the approximate settings in the picture. Draw in the bond dipole and show the partial charges.

Question 19
19.

Set the electronegativity to the approximate settings in the picture. Draw in the bond dipole and show the partial charges.

Now that you understand how the dipoles arrows work. Switch to the 3 atom view to explore how you can make a molecule with a dipole. Make sure the bond dipole, molecular dipole and partial charges are turned on.
Question 20
20.

Set up the electronegativities for the atoms in the picture below. Draw the molecular dipole and the bond dipoles for the atoms.

Question 21
21.

Set up the electronegativities for the atoms in the picture below. Draw the molecular dipole and the bond dipoles for the atoms.

Question 22
22.

Set up the electronegativities for the atoms in the picture below. Draw the molecular dipole and the bond dipoles for the atoms.

Question 23
23.

Set up the electronegativities for the atoms in the picture below. Draw the molecular dipole and the bond dipoles for the atoms.

Create an experiment of your own to explore how changing the electronegativities of the difference atoms affects the molecular dipole. You should do 4 different experiments and draw the results in the next four questions. Can you find a situation in which there are bond dipoles but there is no molecular dipole?
Question 24
24.

Experiment #1

Question 25
25.

Experiment #2

Question 26
26.

Experiment #3

Question 27
27.

Experiment #4

Question 28
28.

In your own words, explain how the molecular dipole is different from the bond dipoles.

Question 29
29.

Is it possible to have a molecule with three atoms in which the bonds have dipoles but the molecule does not. Be sure to explain your answer and use evidence from your experiments.