Ions for the Midterm

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Amir Bayat
Posts: 115
Joined: Sat Sep 07, 2019 12:16 am

Ions for the Midterm

Postby Amir Bayat » Sun Nov 03, 2019 9:49 am

Do we need to know ions like those in question 2C for the midterm on Wednesday?

The question 2C states:

Draw the Lewis structure, including typical contributions to the resonance structure (where appropriate, allow for the possibility of octet expansion, including double bonds in different positions), for (a) periodate ion; (b) hydrogen phosphate ion; (c) chloric acid; (d) arsenate ion.

For example Periodate Ion or Arsenate Ion?

Naneeta Desar 1K
Posts: 106
Joined: Fri Aug 09, 2019 12:15 am

Re: Ions for the Midterm

Postby Naneeta Desar 1K » Sun Nov 03, 2019 10:00 am

I believe that for those they might give us the formula since those aren't the ions that we see everyday however I am not completely sure.

Kate Osborne 1H
Posts: 102
Joined: Fri Aug 30, 2019 12:16 am

Re: Ions for the Midterm

Postby Kate Osborne 1H » Sun Nov 03, 2019 2:56 pm

Dr. Lavelle said in class he would give us the formulas for any compounds we have not been exposed to a lot (like he might not give us the formula for water but he'd give us those)

Sreyes_1C
Posts: 90
Joined: Fri Sep 28, 2018 12:19 am

Re: Ions for the Midterm

Postby Sreyes_1C » Sun Nov 03, 2019 7:44 pm

I believe we don't have to memorize those random ions. Unless we see them a lot, I doubt we'd have to memorize them


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