Naturally Occurring Lithium (Li) Consists of Only Two Isotopes, Li-6

question 22

Multiple Choice

Naturally occurring lithium (Li) consists of only two isotopes, Li-6 (6.02 amu) and Li-7 (7.02 amu) , where the exact isotopic masses are given in parentheses. Use the periodic table and determine which isotope is present in the larger percentage in the natural element.

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Definitions:

Abnormal Behavior

Actions, thoughts, or emotions that are considered deviant from societal norms or personal distress, potentially indicative of a psychological disorder.

Rare

Uncommon or infrequent; in the context of objects or events, signifies something that is not typically encountered.

Societal Norms

Established conventions or standards of behavior expected by a society or social group.

Psychopathology

The study of abnormal thoughts, feelings, and behaviors that may be indicative of mental illness.