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8 Cards in this Set

  • Front
  • Back
How many electrons can be held in the innermost energy level of atoms
two
How many electrons can the fourth energy level hold
32
Many elements are mixtures of
______________.
isotopes
The chemical behavior of different elements is determinined by the
number of electrons in the outermost energy level.
How many electrons can an atom's third energy level hold
18
Elements with a full outermost energy level are
unlikely to combine chemically with other elements
The identity of an element is defined by its number of
Protons
How many electrons can an atom's second energy level hold
8