Question

What does the period number on the periodic table tell us?

Answer 1

The period number on the periodic tells you the total number of orbits that the atom will have (indicates the number of energy levels )

Answer 2

The period number on the Periodic table tells you the total number of orbits that the atom will have. In other words, the period number indicates the number of energy levels (or energy orbit) of an atom. For example, 1st period indicates that these elements possess 1 energy shell (or energy orbit).

Step-by-step explanation: