Atomic Structure

Learn about how to write and balance chemical equations.

Learn about the four main types of chemical reactions.

Learn about the elements of the periodic table and how they are organized.

Learn about the parts of an atom and its history.

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?