3.23a & b

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Andrew Berard 1F
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Joined: Fri Apr 06, 2018 11:01 am

3.23a & b

Postby Andrew Berard 1F » Wed May 16, 2018 3:32 pm

The question states: "Chlorine can exist in both positive and negative oxidation states. What is the maximum (a) positive and (b) negative oxidation number that chlorine can have?"
Can someone please explain this to me? Thank you!

Isabelle De Rego 1A
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Joined: Fri Apr 06, 2018 11:02 am

Re: 3.23a & b

Postby Isabelle De Rego 1A » Wed May 16, 2018 8:57 pm

This is probably referring to chlorine and its ability to reach the next or previous noble gas. So, the maximum negative oxidation number would be -1, since chlorine only needs to gain 1 electron in order to get its octet. However, chlorine must lose 7 electrons in order to reach the previous noble gas, making the positive oxidation number 7.

Adela Henry 1I
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Re: 3.23a & b

Postby Adela Henry 1I » Wed May 16, 2018 9:38 pm

Basically the maximum positive and negative oxidation number is the maximum number of electrons the element has to gain or lose to reach the next noble gas. Positive = electrons lost. Negative = electrons gained.

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