Determining Amphoteric Compounds

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AnuPanneerselvam1H
Posts: 52
Joined: Fri Sep 29, 2017 7:07 am

Determining Amphoteric Compounds

Postby AnuPanneerselvam1H » Fri Dec 08, 2017 2:49 am

How do you determine whether is amphoteric by looking at its formula? Are all compounds with metalloids considered amphoteric?

Ethan Vuong 3G
Posts: 51
Joined: Fri Sep 29, 2017 7:07 am

Re: Determining Amphoteric Compounds

Postby Ethan Vuong 3G » Fri Dec 08, 2017 3:15 am

from my understanding, it is amphoteric if you can draw a diagonal on the periodic table from a nonmetal to a metal, or a metal to a nonmetal.

Krupa Prajapati
Posts: 50
Joined: Sat Jul 22, 2017 3:00 am

Re: Determining Amphoteric Compounds

Postby Krupa Prajapati » Fri Dec 08, 2017 10:21 am

HI! In addition, it may be helpful to know a couple of the amphoteric oxides so they are easier to recognize. The textbook gives the example of BeO, Al2O3, Ga2O3, GeO2, As2O3, In2O3, SnO and SnO2, Sb2O3, PbO and PbO2, and finally Bi2O3. Hope that helps :)

nanditasundarapandian1D
Posts: 21
Joined: Sat Jul 22, 2017 3:01 am

Re: Determining Amphoteric Compounds

Postby nanditasundarapandian1D » Sun Dec 10, 2017 12:16 am

amphoteric is when it can react with acids and bases right?


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