Electrons Exist Only at Fixed Levels of Potential Energy

question 20

Multiple Choice

Electrons exist only at fixed levels of potential energy. However, if an atom absorbs sufficient energy, a possible result is that

• A) an electron may move to an electron shell farther away from the nucleus.
• B) an electron may move to an electron shell closer to the nucleus.
• C) the atom may become a radioactive isotope.
• D) the atom would become a positively charged ion, or cation, and become a radioactive isotope.
• E) the atom would become a negatively charged ion, or anion.

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Definitions:

Current Ratio

A liquidity ratio that measures a company's ability to pay off its short-term liabilities with its short-term assets.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations with its short-term assets.

Liquidity

The ability of an asset to be quickly converted into cash without significant loss in value.

Times Interest Earned Ratio

A financial metric that measures a company's ability to meet its debt obligations by comparing its income before interest and taxes to its interest expenses.