Which Is True Concerning the Difference Between Second-Row and Third-Row

question 24

Multiple Choice

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

• A) Third-row nonmetals react readily with acids, while second-row nonmetals are mostly unreactive towards acids.
• B) Third-row hydrides tend to be more acidic than second-row hydrides.
• C) Third-row oxides tend to be less basic than second-row oxides.
• D) In their elemental forms, third-row nonmetals are comprised of molecules, while second-row nonmetals are comprised of individual atoms.
• E) Atoms of third-row nonmetals may have high oxidation numbers, while atoms of second-row nonmetals may only have negative oxidation numbers.

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Definitions:

Supply

The aggregate supply of a certain item or service made available for consumer purchase.

Price Elasticity

The measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating its sensitivity to price changes.

Midpoint Method

A technique used to calculate the price elasticity of demand or supply, avoiding the problem of using different base values for percentage calculations.

Supply

The total amount of a product or service available for purchase at any given price point.