Question

Which of an atom's electrons are involved in chemical reactions?

a. The electrons farthest from the nucleus of the atom
b. The electrons that make one isotope different from another
c. The electrons that determine the atomic number of the atom
d. The electrons closest to the nucleus of the atom

Answer 1

A. The electrons farthest from the nucleus of the atom

Step-by-step explanation:

Answer 2

A is the correct answer