
Introduction to the Periodic Table of the Elements
Learn about the elements of the periodic table and how they are organized.
Learn about the elements of the periodic table and how they are organized.
Learn about how the Particle Theory helps us understand matter.
Getting electrons excited by heat can cause certain materials to give off visible light when heated - like filaments in light bulbs.
The periodic table was last updated in 2016 with four new chemical elements. What is a chemical element? What is the atomic structure of the newest chemical elements? How did they get their names?