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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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cmartinez034 cmartinez034
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2 months ago
Which is true concerning the difference between second-row and third-row main group nonmetals?


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



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



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


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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
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zexman911zexman911
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You make an excellent tutor!
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Smart ... Thanks!
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this is exactly what I needed
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