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Examples of amphoteric compounds

Posted: Thu Nov 28, 2019 6:44 pm
by Marni Kahn 1A
Are we responsible for memorizing the amphoteric compounds shown to us in class, or should we just understand their importance?

Re: Examples of amphoteric compounds

Posted: Thu Nov 28, 2019 7:14 pm
by Noah Canio 3C
I'd say that it wouldn't hurt to memorize them because they follow along a pattern in the periodic table. It's a slightly skewed diagonal line of elements. Since Dr. Lavelle showed us exactly which ones are in class, then there's a chance that we might have to recall them in some manner for the final.

Re: Examples of amphoteric compounds

Posted: Sat Nov 30, 2019 9:53 am
by EmilyJoo_1G
If I recall correctly, Lavelle said we would need to be able to identify the amphoteric compounds he showed us in class

Re: Examples of amphoteric compounds

Posted: Sat Nov 30, 2019 10:06 am
by Sally Qiu 2E
i think Lavelle said to memorize the diagonal line of elements on the periodic table.

Re: Examples of amphoteric compounds

Posted: Sat Nov 30, 2019 4:15 pm
by Kassidy Ford 1I
The diagonal band they are referring to includes Be, Al, Ga, Sn, Sb, and Pb. The examples Lavelle used in class were all bonded with oxygen, so BeO, Al2O3, Ga2O3, SnO2, SbO5, and PbO2

Re: Examples of amphoteric compounds

Posted: Sun Dec 01, 2019 11:30 am
by 805291863
In addition to the diagonal band of amphoteric compounds, don't forget that H2O is amphoteric too!