What Is the Number of Equivalents of the Base PO₄^3-

question 19

Multiple Choice

What is the number of equivalents of the base PO₄^3-?

• A) 2
• B) 3
• C) 4
• D) 8

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Definitions:

Object Permanence

The recognition that items persist in existence even when they are not visible, audible, or detectable through other senses.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled, or sensed in any way).

Deferred Imitation

The capability of reproducing a behavior observed at an earlier time, without the immediate presence of the original stimulus.

Circular Reactions

Repetitive actions or behaviors, primarily in infants, which serve to explore and learn about the environment, and are a key part of cognitive development.