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cmartinez034 cmartinez034
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5 days ago
Which is true concerning the difference between second-row and third-row main group nonmetals?


Third-row nonmetals react readily with acids, while second-row nonmetals are mostly unreactive towards acids.



Third-row hydrides tend to be more acidic than second-row hydrides.



Third-row oxides tend to be less basic than second-row oxides.


In their elemental forms, third-row nonmetals are comprised of molecules, while second-row nonmetals are comprised of individual atoms.



Atoms of third-row nonmetals may have high oxidation numbers, while atoms of second-row nonmetals may only have negative oxidation numbers.

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
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zexman911zexman911
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cmartinez034 Author
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5 days ago
Thanks
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Yesterday
Thanks for your help!!
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2 hours ago
Good timing, thanks!
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