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Determination of valence electrons for the given electronic

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Determine how many valence electrons and if it is neutral

1s2, 2s2, 2p3

1s2, 2s2, 2p6

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d6

AR 4s2, 3d5

Kr 5s2 4d10, 5p5

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Solution Preview

Valence electrons refer to the electrons in the outer most shell (including orbitals)

in first case, the outer shell refer to n =2 ...

Solution Summary

Determination of valence electrons for the given electronic configuration are determined.

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