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chemistry defintion
vocabulalary
Vocabulary word | Definition |
---|---|
Atom | The smallest paricle of an element that retains all properties of that element. |
Isotope | Atoms of the same element with the same number of protons but different numbers of neutrons. |
Radioactivity | The process in which some substances spontaneously emit radiation. |
Neutron | A neutral subatomic particle in an atom's nucleus that has a mass nearly equal to that of a proton. |
Wavelength | The shortest distance between equivalent points on a continuous wave. |
Frequency | The number of waves that pass a given point per second. |
Amplitude | The height of a wave from the origin to a crest, or from the origin to a trough. |
Quantum | The minimum amount of energy that can be gained or lost by an atom. |
Photon | A particle of electromagnetic radiation with no mass that carries a quantrum of energy. |