Choose the INCORRECT Statement

question 4

Multiple Choice

Choose the INCORRECT statement.

• A)Among the methods to separate the lanthanides are fractional precipitation and solvent extraction.
• B)Because the properties of the lanthanides are so similar,separation must be done in a series of repetitive steps.
• C)Lanthanides are reactive metals,that is they liberate H₂(g)from acids.
• D)The 4f electrons play a major role in chemical bonding.
• E)The pure lanthanide metals can be produced by electrolytic reduction from the +3 oxidation state.

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Definitions:

Psychoanalytic Theory

A theory of personality development and the workings of the mind proposed by Sigmund Freud, emphasizing unconscious processes and childhood experiences.

Unconscious Wishes

Desires or thoughts that reside in the unconscious mind, not readily accessible to the conscious mind but influencing behavior and emotions.

Dreaming

A sequence of thoughts, images, and sensations occurring in a person's mind during sleep.

Memory Performance

The efficiency and accuracy with which an individual can store, retain, and recall information.