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:

Variable Expenses

Charges that adjust directly with the volume of production or sales, encompassing costs related to raw materials and direct labor.

Fixed Expenses

Costs that do not change with the level of production or sales within a certain range and for a specific period.

Absorption Costing

An accounting method that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed manufacturing overhead - in the cost of a product.

Cost Behaviour

Refers to how a cost changes as the related level of activity or volume changes.