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10 Cards in this Set

  • Front
  • Back
nucleus (neutrons & protons)
particles that make up the nucleus
atomic number (Z)
the number of protons
mass number (A)
sum of number of protons & neutrons
isotopes
atoms that have identical atomic number but different mass number
nuclide
applied to each unique atom
radioactive
spontaneously decompose, forming a different nucleus and producing one or more particles
beta particle
an electron in nuclear terminology
alpha particle
a helium nucleus
alpha-particle production
a common mode of decay for heavy radioactive nuclides resulting in a loss of four mass number and two atomic number
beta-particle production
a decay process for radioactive nuclides in which the mass number doesn't change and the atomic number increases one