Quantum Numbers

Quantum numbers describe the state of electrons in an atom. Learn about the principal quantum number, orbital quantum number, magnetic quantum number, and spin quantum number in this interactive tutorial. Continue reading

Chemical Symbol Quiz

See how well you remember the chemical symbols with this quiz. At a button-click you get ten more names of elements from the periodic table, each with four choices of chemical symbols for you to choose. Can you get them all? Continue reading

Atom Model

An atom is the smallest particle of an element that contains the chemical properties of that element. Learn about atoms and their components (protons, neutrons, and electrons) in this program. Continue reading

Chemical Symbol Lookup Table

This lookup displays all the elements in the periodic table, sorted by symbol. Also included are the element name, atomic mass, atomic number, and electron configuration. This is a must for anyone learning the periodic table. Continue reading

Electron Orbitals

Electron configuration in an atom is organized into orbitals and differently shaped subshells. Learn about the s subshell, p subshell, d subshell, and f subshell (and more) in this interactive tour. Continue reading

Periodic Table

Examine chemical symbols, atomic masses, electronegativity, electron shell configuration, and more in this printable interactive periodic table of the elements. We have all the elements discovered thus far, and instructions on how to read the table. Continue reading

Using The Periodic Table

Ever wonder how to actually use the periodic table of elements? Get a detailed overview of the various sections on the periodic table including electron shell configuration, atomic mass, chemical symbols, electronegativity, and more with this tutorial. Continue reading