Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb),

Last updated: 7/24/2022

Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr) are in the same column in the periodic table. Why are these elements in the same column in the periodic table? A. They have similar properties. B. They have atoms of the same size. C. They have the same number of protons. D. They have the same number of neutrons.