Which of the Following Statements Regarding the Oxygen Atom of a Water

question 38

Multiple Choice

Which of the following statements regarding the oxygen atom of a water molecule is true?

• A)Oxygen is more positively charged than the hydrogen atoms.
• B)Oxygen is attracted to the negatively charged atoms of other molecules.
• C)Oxygen is more electronegative than the hydrogen atoms.
• D)Oxygen attracts electrons less strongly than the hydrogen atoms.

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Definitions:

Ecological Efficiency

The efficiency with which energy is transferred from one trophic level to the next in an ecosystem. Typically only a small percentage of energy is passed on to the next level.

Trophic Level

A step in a food chain or food web, representing the position of organisms in the flow of energy through an ecosystem.

Percentage

A mathematical term representing a fraction of 100, used to describe proportions or ratios.

Fresh Water

Water that contains minimal amounts of dissolved salts, especially found in lakes, rivers, and streams, as opposed to salt water.