Answer sheet - River Dell Middle School

b. principal energy level of valence electrons and period number. 4. Without using the periodic table determine the group period and block of an atom with an electron configuration of [Ne]3s23p4. 5.. Determine the group period and block in which each of the following elements is located on the periodic table . a. [Kr]5s24d1 b. [Ar]4s23d104p3 c ... ................
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