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- 1atomic numberthe number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- 2isotopeeach of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
- 3mass numberMass number, in nuclear physics, the sum of the numbers of protons and neutrons present in the nucleus of an atom.
- 4average atomic massis the weighted average mass of the atoms in a naturally occurring sample of the element.
- 5radioactiveemitting or relating to the emission of ionizing radiation or particles.
- 6nuclear decayan unstable nucleus emits radiation and is transformed into the nucleus of one or more other elements.
- 7ionIon, any atom or group of atoms that bears one or more positive or negative electrical charges.
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- Flashcards on Untitled, created by Cristian Paolo Barrera Marroqu�n on 04/06/2021.
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- Cristian Paolo Barrera Marroqu�n
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