The Systematic Names for Water, Ammonia, and Methane Are Dihydrogen

question 7

Multiple Choice

The systematic names for water, ammonia, and methane are dihydrogen monoxide, H₂O; trihydrogen nitride, NH₃; and tetrahydrogen carbide, CH₄. Why do most people, including chemists, prefer to use the common names for these compounds?

• A)The common names are shorter and easier to pronounce.
• B)These compounds are encountered frequently.
• C)The common names are more widely known.
• D)all of the above

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Definitions:

Progressive Tax

A tax system in which the tax rate increases as the taxable amount increases, resulting in those who have higher incomes being taxed at a higher rate.

Progressive Tax

A taxation system where the tax rate increases as the taxable amount or income increases.

Proportional Tax

A tax system wherein the tax rate is fixed and applied uniformly to all taxpayers, regardless of their income level.

Regressive Tax

A tax imposed in such a manner that the tax rate decreases as the amount subject to taxation increases, disproportionately affecting those with lower incomes.