What is the common characteristic of the elements of the same group in the periodic table ?

Options

A. Electrons in outer most shell
B. Total number of electrons
C. Total number of protons
D. Atomic weight

Answer

1

Explanation

Elements in the same group in the periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.