Question

valence electrons are
select one:
o a. in the most distant orbit from the nucleus
b. not associated with a particular atom
o c. in various orbits around the nucleus
o d. in the closest orbit to the nucleus

Explanation:

Valence electrons are the outermost electrons of an atom. By definition, they are located in the highest - energy (most distant) orbit (shell) from the nucleus. Option b is incorrect as valence electrons are associated with a particular atom. Option c is too general as it doesn't specifically refer to the outermost orbit. Option d refers to core electrons (not valence electrons) which are in the closest orbit to the nucleus.

Answer:

A. in the most distant orbit from the nucleus