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Unit 2 chemistry
Chemistry 2
| Question | Answer |
|---|---|
| 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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