7th edition 6A.17

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Nicholas Kull_3L
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Joined: Fri Sep 28, 2018 12:23 am

7th edition 6A.17

Postby Nicholas Kull_3L » Fri Dec 07, 2018 11:33 am

Can someone please explain on this homework problem how they can tell that the oxides As203 and Bi2O3 are amphoteric?

Daniel_Frees_1L
Posts: 40
Joined: Fri Sep 28, 2018 12:18 am

Re: 7th edition 6A.17

Postby Daniel_Frees_1L » Fri Dec 07, 2018 10:28 pm

Same question here, that goes against what we learned in class too.

Karina Jiayu Xu 4E
Posts: 58
Joined: Fri Sep 28, 2018 12:29 am

Re: 7th edition 6A.17

Postby Karina Jiayu Xu 4E » Sat Dec 08, 2018 1:21 pm

I think you can identify amphoteric compounds by just memorizing them. Basic oxides are always bound to metals, and acidic oxides alway bound to non-metals. But amphoteric oxides are usually formed by the elements in or close to the diagonal line of metalloids.

Daniel_Frees_1L
Posts: 40
Joined: Fri Sep 28, 2018 12:18 am

Re: 7th edition 6A.17

Postby Daniel_Frees_1L » Sat Dec 08, 2018 1:22 pm

@Karina, I think you're right but these two specifically were labeled as acidic oxides on lavelles slide


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