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Chem Unit 2 Vocab
| Term | Definition |
|---|---|
| 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 |
Created by:
ethan.tuttle
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