What is a Period on the Periodic Table of Elements?
A period on the periodic table is a horizontal row, and each one represents a new principal energy level for electrons. They have varying numbers of elements, but all elements in a period have the same number of atomic orbitals.
Play Games.Earn points.Get gift cards!
Playback Rewards
(13.7k)
500k players and counting...
More Answers
Think of a period as a row in your high school cafeteria, but instead of lunch trays, it's filled with elements.
Periods on the periodic table are like the lines on your favorite notebook, except they're chemical! Each row = a period, simple as that.
A period is the horizontal line where elements line up like ducks in a row!
The brands referenced on this page are not sponsors of the rewards or otherwise affiliated with this company. The logos and other identifying marks attached are trademarks of and owned by each represented company and/or its affiliates. Please visit each company's website for additional terms and conditions.
People also want to know
Add an Answer