The Periodic Table Additional Vocabulary

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Ionic Bond

Atom gains or loses electrons to form an ion

Covalent Bond

Two atoms share electrons

Hydrogen Bond

Hydrogen attracts an atom electrostatically

Metallic Bond

Electrons are shared around positive metal ions in a "sea of electrons"

Quantum

Minimum amount of energy that can be gained or lost by an atom

Neils Bohr

Developed the first atom model for Hydrogen

Erwin Shrodinger

Developed a more detailed model and set of equations using quantum mechanical concepts

Louis de Broglie

Particles can be treated as waves

Albert Einstein

Developed the theory for photons

Photons

Bundles of tiny particles in electromagnetic radiation

Ionization Energy

Energy required to remove an electron from a gaseous atom at it's lowest energy state

Ion

Atoms or groups of atoms that have an overall charge

Core Electrons

All shells are filled

Valence Electrons

Not all shells are filled, outer shell

Quantum Number: n

Principal

Quantum Number: l

Azimuthal

Quantum Number: ml

Magnetic

Quantum Number: ms

Spin