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Chem Words Unit 2

Excited State a state in which an atom has more energy than it does at its ground state 
Ground State the lowest energy state of a quantized system 
Ionization Energy the energy required to remove an electron from an atom or ion 
Electronegativity the ability of an atom in a chemical compound to attract electrons 
Electromagnetic Spectrum all of the frequencies or wavelengths of electromagnetic radiation 
Avogadro's Number 6.02x1023 the number of atoms or molecules in 1 mole 
Electron Affinity the energy change when an electron is acquired by a neutral atom 
Mole the SI base unit to measure the amount of the substance 
Photon a unit or quantum of light; particle of electromagnetic radiation 
Orbital a region in an atom where there is a high probability of finding electrons 
Electron Configuration the arrangement of electrons in an atom 
Pauli Exclusion Principle the principle that states that two particles of a certain class cannot be in exactly the same energy state 
Hund's Rule singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin; the number of unpaired electrons is the maximum possible and these unpaired electrons bonds between atoms
Made by Bryce Woodward
Created by: BryceBryceBaby