PBS
Pbs Learning Media: Periodic Table of the Elements
This interactive periodic table developed for Teachers' Domain provides detailed information about the chemical properties of elements and illustrates the electron configurations that determine those characteristics.
Sophia Learning
Sophia: Periodic Table: Lesson 4
Explain how elements on the periodic table are arranged, and explain the relationships within each row and column. This lesson is 4 of 4 in the series titled "Periodic Table."
CK-12 Foundation
Ck 12: Physical Science: Mendeleev's Periodic Table
[Free Registration/Login may be required to access all resource tools.] Mendeleev's periodic table and the groups and periods.
Soft Schools
Soft Schools: Periodic Table Groups Quiz
Take an interactive quiz over the groups on the periodic table of elements. After completing the quiz, check your score, and then revisit any incorrect question for further review.