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chemistry315
vocabulary
Question | Answer |
---|---|
atom | the smallest partical of an element that retains all the properies of that element; it has a neutral charge, sphyrically shaped, and composed of electrons, protons, and neutrons |
wavelength | the shortest distance between the equivalent points on a continuos wave; is usually expressed in meters |
quantom | the minimum amount of energy that can be gained or lost by an atom |
photon | a partical of electromagnetic rediation with no mass that carries a quantum of energy |
isotope | atoms of the same element with the same number of protons but different number of neutrons |
radioactivity | the process in which some substances spontaneously emit radiation |
neutron | a neutral subatomic partical in an atom's nucleus that has a mass of nearly equal to that pf a proton |
amplitude | the height of a wave from the origin to crest or from the origin to a troph |
frequency | wavelength that is expressed in meters ,centimeters,or nanometers |