Solved: Electron Configurations for a GroupWhat is the
Chapter , Problem 1PE(choose chapter or problem)
Problem 1PE
Electron Configurations for a Group
What is the characteristic valence electron configuration of the group 7 A elements, the halogens?
A certain atom has an ns2npS electron configuration in its outermost occupied shell. Which of the following elements could it be? (a) Be (b) Si (c) I (d) Kr (e) Rb
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