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

cmartinez034

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

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.

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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: 4^th

Author: Burdge

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You make an excellent tutor!

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Good timing, thanks!

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