Lithium Has an Atomic Number of 3

question 27

Multiple Choice

Lithium has an atomic number of 3. How many electrons are there in the outermost (valence) shell?

• A) one
• B) two
• C) three
• D) zero

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Definitions:

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Refers to the coverage and distribution of body hair in human ancestors and close relatives, impacting various aspects like thermal regulation and social signaling.

Infectious Disease

Diseases caused by pathogenic microorganisms such as bacteria, viruses, parasites, or fungi; they can be spread from person to person or through vectors.

Cloaca

A common cavity at the end of the digestive tract for the release of both excretory and genital products in many vertebrates, excluding most mammals.