Which Would You Expect to Have a Higher Melting Point

question 35

Multiple Choice

Which would you expect to have a higher melting point: sodium chloride, NaCl, or aluminum oxide, ?

• A)The aluminum oxide has a higher melting point because it is a larger molecule and has a greater number of molecular interactions.
• B)NaCl has a higher melting point because it is a solid at room temperature.
• C)The aluminum oxide has a higher melting point because of the greater charges of the ions, and hence the greater force of attractions between them.
• D)The aluminum oxide has a higher melting point because of the covalent bonds within the molecule.

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Definitions:

Id

In psychoanalytic theory, the part of the mind that is the source of instinctive impulses and demands for immediate satisfaction of primitive needs.

Ego

In Freudian theory, the part of the personality that mediates among the demands of the id, the superego, and reality.

Superego

In psychoanalytic theory, the part of a person's mind that acts as a self-critical conscience, reflecting social standards learned from parents and teachers.

Projective Tests

Psychological assessment tools that use ambiguous stimuli to elicit responses that reveal aspects of an individual's personality.