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chem4-1
chapter4-1 test review
| Question | Answer |
|---|---|
| electromagnetic radiation | form of energy that behaves as a wave as it travels through space. |
| electromagnetic spectrum | all the forms of the electromagnetic radiation |
| speed of light in a vacuum | 3.0*10^8 m/s |
| wavelength | the distance between corresponding points on adjacent waves |
| frequency | number of waves that pass through a point in a specific amount of time |
| speed of light in the air | c= frequency * wavelength |
| photoelectric effect | a metal gives off electrons when light is shown on it |
| quantum | minimum amount of energy that can be lost or gained in an object |
| plank's constant | 60626*10^-3 J.s |
| dual wave | particle of nature of light |
| particles are known as... | photons |
| photon | a particle of electromagnetic radiation with no mass that carries a quantum of energy |
| ground state | lowest energy state |
| excited state | more PE than at ground state |
| line emission spectrum | a series of specific frequenices and wavelengths |