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Unit 2 chemistry

Chemistry 2

QuestionAnswer
a state in which an atom has more energy than it does at its ground state Excited State
the lowest energy state of a quantized system Ground State
the energy required to remove an electron from an atom or ion Ionization Energy
the ability of an atom in a chemical compound to attract electrons Electronegativity
all of the frequencies or wavelengths of electromagnetic radiation Electromagnetic Spectrum
6.02x1023 the number of atoms or molecules in 1 mole Avogadro's Number
the energy change when an electron is acquired by a neutral atom Electron Affinity
the SI base unit to measure the amount of the substance Mole
a unit or quantum of light; particle of electromagnetic radiation Photon
a region in an atom where there is a high probability of finding electrons Orbital
the arrangement of electrons in an atom Electron Configuration
the principle that states that two particles of a certain class cannot be in exactly the same energy state Pauli Exclusion Principle
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 Hund's Rule
Created by: goatedmikey
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