Of the Following Compounds, Which Does Not Exist

question 126

Multiple Choice

Of the following compounds, which does not exist?

• A) NCl₅
• B) PCl₃
• C) PCl₅
• D) NCl₃

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Definitions:

Logically

In a manner that is based on clear, sound reasoning or the formal principles of reasoning.

Egocentrically

Thinking primarily about oneself without regard for the feelings or views of others; seeing things from one's own perspective only.

Symbolic Thought

The capacity to use symbols, language, or other abstract representations to think about and communicate complex concepts.

Preoperational

The stage in Piaget's theory of cognitive development where children from about 2 to 7 years of age begin to engage in symbolic play and struggle with logic and the perspective of others.