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vocab ch 5-1 and 5-2
| Question | Answer |
|---|---|
| electromagnetic radiation | from of energy that exhibits wavelike behavior as it travels though space |
| wavelength | shortest distance between equivalent points on a continuous wave |
| frequency | number of waves that pass at any given pont per sec. |
| amplitude | wave's height from the origin to a crest |
| eletromagnetic spectrum | encompasses all froms of electromagnetic radiation |
| quantum | minimum amount if energy that can be gained or lost by an atom |
| planck's constant | value of 6.626 x 10^-34J*s where J is joule |
| photoeletric effect | emitted from a metal's surface when light of a certain frequency shines on the surface |
| photon | particle of electromagnetic radiation with no mass that carries a quantum energy |
| atomic emission spectrum | lelis the set of frequencies of the electromagnetic waves emitted by atomsof the element |
| ground state | lowest allowable energy state of an atom |
| de broguile equation | predicts that all moving particles have wave chasacteristics |
| heisenberg uncertainty principle | states that it is fundamentally impossible to know precisely both the velocity and position of a particle at the same time |
| quantum mechanical model of the atom | atomic model in which electrons are treated as waves |
| atomic orbital | 3D regionaround the nucleus |
| principal quantum numbers | indicate the relative sizes and energies of atomic orbitals |
| enery sublevel | relationship between atoms energy levels |
Created by:
bks
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