To determine the valence electron configuration and the number of valence electrons, let’s first write its electron configuration.
Ground-state means that Bismuth is in its lowest energy form (not in an excited state). Bismuth also has no charge (neutral element) which means that no electrons are removed or added in the atom.
Neutral element: Atomic number = # protons = # of electrons
▪ Atomic number = 83
▪ # of electrons = 83 e-
How many valence electrons does bismuth, Bi, have and what are its specific valence electrons?
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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.