Identify the Ions in CaHPO₄

question 21

Multiple Choice

Identify the ions in CaHPO₄

• A) Ca²⁺ and PO₄^3-
• B) Ca²⁺ and HPO₄^2-
• C) Ca⁺ and HPO₄^-
• D) Ca³⁺ and HPO₄^3-
• E) Ca²⁺,H⁺,P^3-,and O^2-

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Definitions:

Horizontal Décalage

Piaget’s concept that similar abilities do not appear at the same time within a stage of development.

Core Knowledge Approach

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Puppet Show

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The process by which individuals or groups of differing ethnic heritage are absorbed into the dominant culture of a society.