Question

Choose the letter of the choice that best completes the statement or answers the question. Elements in the same group have the same __________.
A. atomic radius
B. energy level of outer electrons
C. nuclear charge
D. number of valence electrons

Answer 1

Elements in the same group have D. Same number of valence electrons.

Answer 2

I think the correct answer from the choices listed above is option D. Elements in the same group have the same number of valence electrons. They have the same number of electrons in the outer orbital. They are the electrons that are involved with chemical bonding with other elements.