What does the period in the PERIODic table tell you?

Like PERIODic table.). All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons. All of the elements in the second row (the second period) have two orbitals for their electrons. read more

the periodic table should tell you: atomic numberatomic weightelement symbolname of elementspecifically, though, the period tells you the number of electron energy shells the elements in it have; for example, elements in the 2nd period (or row) have 2 energy shells. read more

The period (row) in which an element is found shows the number of electron shells that it has. The first period contains only hydrogen and helium. Hydrogen and helium have only 1 electron shell. The second period is from lithium to neon. These elements have 2 electron shells. The third period is from sodium to argon. read more

The Periodic Table offers basic information about each one of the known chemical elements. Each element has its own box in the table, and these boxes include the element's atomic number, atomic weight and chemical symbol. read more