What do you notice about the number of energy levels or shells as you move down a group?

or column in the periodic table? (H --%26gt; Li --%26gt; Na)

What do you notice about the number of energy levels or shells as you move down a group?
Going down a row in the periodic table increases the number of electron shells in an atom. As you move right in the columns, you add and electron to each atom. but to answer your question, you add one electron shell.

augmon