Which of the Following Best Explains the Attraction of Water

question 70

Multiple Choice

Which of the following best explains the attraction of water molecules to each other?

• A) Nonpolar covalent bond
• B) Polar covalent bond
• C) Ionic bond
• D) Hydrogen bond
• E) Electron-proton interaction

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Definitions:

Face Validity

The extent to which a test appears to measure what it is supposed to measure, based on a subjective judgment and general impressions.

Content Validity

The extent to which a test measures all aspects of the concept it intends to assess.

Criterion Validity

An attribute of a test, when it gives higher scores to people already known to have greater ability in the area it tests. The concept arises because some qualities are easier to recognize than to define completely, such as artistic ability.

Construct Validity

A measure of how well a test or experiment measures up to its claims or theoretical assumptions.