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vocab chemistry
| Question | Answer |
|---|---|
| electromagnetic spectrum | Includes all forms of electromagnetic radiation, with the only differences in the types of radiation being their frequencies and wavelengths |
| Planck's constant | h, which has a value of 6.626x10-34 J*s, where J is the joule. |
| Photoelectric effect | a phenomenon in which photoelectrons are emitted from a metal's surface when light of a certain frequency chines on the surface |
| atomic emission spectrum | a set of frequencies of electromagnetic waves given off by atoms of an element; consists of a series of fine lines of individual colors. |
| aufbau principle | states that each electron occupies the lowest energy orbital available. |
| hund's rule | states that single electrons with the same spin must occupy each equal-energy orbital before additional electrons with opposite spins that can occupy the same orbitals. |
| electron configuration | the arrangement of electrons in an atom, which is prescribed bu three rules: the aufbau principle, the Pauli exclusion principle, and Hund's rule. |
| Pauli exclusion principle | states that a maximum of two electrons may occupy a single atomic orbital, but only if the electrons have opposite spins. |
| continuous spectrum | shines with a connected series of colors, each with unique wavelengths and frequencies. |
| heisenberg uncertainty principle | states that if a fundamentally impossible to know precisely both the velocity and position of a particle at the same time |
Created by:
robertocochela
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