[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.

[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.

[Free Registration/Login may be required to access all resource tools.] Looks at atoms and how they are related to elements, and the particles that make up atoms.

Each electron has a set of quantum numbers that specify it's location, orbital, and energy in a unique manner.

An explanation of the different types of atomic orbitals, how they are filled according to the Pauli Exclusion Principle, and how many electrons can fit in each electron shell.

[Free Registration/Login may be required to access all resource tools.] Discusses elements and their different properties, the history of elements, and how atoms relate to elements.

[Free Registration/Login may be required to access all resource tools.] Explores elements and their different properties, the history of elements, and how atoms relate to elements.

[Free Registration/Login may be required to access all resource tools.] Discusses elements, atoms, compounds, molecules, and crystals. Looks at mixture and different types of them.

[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.

A basic explanation of spin and how it relates to electrons and quantum numbers.

Help the Phantom choose a material and observe the changes at different temperatures in the molecule chamber. What happens to the elements or molecules as the temperature changes?

Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.

Enrico Fermi was a titan of twentieth-century physics. He outlined the statistical laws that govern the behavior of particles that abide by the Pauli exclusion principle and developed a theoretical model of the atom in his mid-twenties....