Respuesta :

casenwhitehead
The elements that are in Group 1 on the Periodic Table of Elements include Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium. Hydrogen is not in this group because it has different properties from the other elements listed before.
bogmonster1643

Answer:

Lithium(Li), Sodium(Na),Potassium(K),Rubidium(Rb),Cesium(Cs) and Francium(Fr).

Explanation:

Simple, they are in first group which is also the first column