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Determination of valence electrons for the given electronic

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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