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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 |