test #3

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hanna_maillard3B
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Joined: Fri Sep 28, 2018 12:23 am

test #3

Postby hanna_maillard3B » Sun Nov 25, 2018 9:37 pm

according to the website, it says all of molecular shape and bonding will be on test #3 but we haven't covered bond order, diamagnetism, or paramagnetism. so will these subjects be on test #3 or not ?

Akhil Paladugu 3G
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Joined: Fri Sep 28, 2018 12:26 am

Re: test #3

Postby Akhil Paladugu 3G » Sun Nov 25, 2018 9:39 pm

If we havent covered it in lecture, it should not be on the test. Test 3 will cover the material we learned from after the midterm to the lecture last Monday (11/18).

Yukta Italia 3I
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Re: test #3

Postby Yukta Italia 3I » Mon Nov 26, 2018 3:23 pm

hanna_maillard3B wrote:according to the website, it says all of molecular shape and bonding will be on test #3 but we haven't covered bond order, diamagnetism, or paramagnetism. so will these subjects be on test #3 or not ?

In one of the other posts Dr. Lavelle said that bond order questions are "fair game." I'm not sure if the same applies to diamagnetism or paramagnetism.

904914909
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Re: test #3

Postby 904914909 » Mon Nov 26, 2018 3:52 pm

So what exactly is paramagnetism and diamagnetism?

ariellasarkissian_3H
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Re: test #3

Postby ariellasarkissian_3H » Mon Nov 26, 2018 3:54 pm

Also, are we responsible for memorizing the bond angles for each shape?

Kaylee Kang 1G
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Re: test #3

Postby Kaylee Kang 1G » Mon Nov 26, 2018 5:05 pm

ariellasarkissian_3H wrote:Also, are we responsible for memorizing the bond angles for each shape?


I think for the test, it would probably be useful to know the bond angles.

lindsey_ammann_4E
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Re: test #3

Postby lindsey_ammann_4E » Mon Nov 26, 2018 9:20 pm

ariellasarkissian_3H wrote:Also, are we responsible for memorizing the bond angles for each shape?


Yes, he mentioned that you must memorize the VSEPR shapes and their bond angles.

lindsey_ammann_4E
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Joined: Fri Sep 28, 2018 12:26 am

Re: test #3

Postby lindsey_ammann_4E » Mon Nov 26, 2018 9:21 pm

Maggie Pickford 3F wrote:So what exactly is paramagnetism and diamagnetism?


Paramagnetic means that there is only one electron in the subshell, whereas diamagnetic means that two electrons are paired (with opposite spin) in the same subshell.

Jaifreen_Bhangu_3K
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Re: test #3

Postby Jaifreen_Bhangu_3K » Mon Nov 26, 2018 10:12 pm

Yes, you should memorize them. However, you should also probably know the reason behind the bond angles.

hannahdaijo_4H
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Joined: Fri Sep 28, 2018 12:27 am

Re: test #3

Postby hannahdaijo_4H » Mon Nov 26, 2018 10:46 pm

Like the other posters said, Dr. Lavelle said to memorize basic VSEPR model bond angles and the general reasons behind them. But in addition he said to understand conceptually the bond angles for molecules with lone pairs on the central atom.

Anjali 4A
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Re: test #3

Postby Anjali 4A » Mon Nov 26, 2018 11:28 pm

We should understand the reason for bond angles for each VSPER shape and eventually memorize the angles.

Andrew Lam 3B
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Re: test #3

Postby Andrew Lam 3B » Tue Nov 27, 2018 9:45 am

Dimagnetic elements have no unpaired electrons, while paramagnetic elements have at least 1.

taryn_baldus2E
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Re: test #3

Postby taryn_baldus2E » Tue Nov 27, 2018 10:45 am

He has posted the sections from the textbook that we should read. I would use this as a guideline for what you should know for the test.

Elizabeth Kim 4E
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Joined: Fri Sep 28, 2018 12:29 am

Re: test #3

Postby Elizabeth Kim 4E » Fri Nov 30, 2018 12:56 am

Paramagnetic means that there is one electron in the subshell, and diamagnetic means that there are two paired electrons with opposite spin in the same subshell.

sarahartzell1A
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Joined: Fri Sep 28, 2018 12:17 am

Re: test #3

Postby sarahartzell1A » Fri Nov 30, 2018 7:27 am

You should know the bond angles. Also, it helps to follow the outlines he posted as to what is on the test.


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