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Chem PMP3 Radioactiv

Radioactive Reactions

QuestionAnswer
Isotope any ot two or more atoms of an element that are chemically alike but have different matter.
Isotope Notation Atomic Mass on left top; Atomic No. on left bottom of Chemical symbol
Mass Number sum of neutrons and protons in the nucleus of an atom
Proton a particle with a positive electric charge equal in magnitude to that of an electron bit of an opposite sign; located nucleus
Neutron a subatomic particle of about the same mass as a proton but w/o an electric charge; located in the nucleus
Electron a stable subatomic particle with a charge of negative electricity
Ion an atom of group of combined atoms that has a charge b/c loss or gain of electrons
Anion a negatively charged ion, one that would be attracted to the anode in electrolysis
Cation a positively charged ion, one that would be attracted to the cathode in electrolysis
A atomic mass
Z atomic no.
Half-life the time taken for the radioactivity of a specified isotope to fall to half its original value
Alpha Particle a helium nucleus emitted by some radioactive decay of substances
Beta Particle a fast-moving electron emitted by some radioactive substance
Gamma Ray penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei
Decay change from an element into a different element, usually with some other particles & energy emitted
Created by: hockettd