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chemistry
unit 2
| Term | Definition |
|---|---|
| Excited state | atom has most energy in this state |
| ground state | lowest energy state |
| Ionization energy | energy required to remove an energy |
| electronegativity | ability of an atom in a compound to attract an electron |
| electromagnetic spectrum | all frequencies and wavelengths on a chart |
| Avogadro's rule | 6.02x10^23 |
| Electron affinity | energy changes when an electron is acquired by a neutral atom |
| mole | si base of a substance |
| photon | unit of light |
| orbital | region of finding electrons |
| electron configuration | arrangement of electrons |
| Pauli exclusion's principal | particles in the same class cannot be in the same energy state |
| Hund's rule | occupied with one electron |