Choose the Appropriate Number of Atoms Contained in a Formula

question 1

Multiple Choice

Choose the appropriate number of atoms contained in a formula unit of iron(II) hydroxide.

• A) two atoms per formula unit
• B) three atoms per formula unit
• C) four atoms per formula unit
• D) five or more atoms per formula unit

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Definitions:

Discriminant Validity

A property demonstrating that a test or scale that is not closely related to variables from which it is theoretically distinct.

Construct Validity

The degree to which a test or instrument accurately measures the theoretical construct or psychological concept it intends to.

Content Validity

The degree to which a test or instrument covers the representative breadth of the topic or construct it is intended to measure.

Construct Validity

The degree to which a test measures what it claims to be measuring, indicating the test's accuracy in assessing theoretical constructs.