Chemistry, 14.07.2020 02:01 rehooreh14

give the total number of electrons , the number of valence electrons, and the identity of the element with each electronic configuration a) 1s2s22p63s23p6, b)1s22s22p63s23p64s23d7, c)1s22s22p3, d)[Kr5s24d105p2 please help solve . thank you

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give the total number of electrons , the number of valence electrons, and the identity of the elemen...