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Chemistry, 25.06.2020 04:01 nancye2008

Write the electron configuration for Br- and state the number of valence electrons. Select one: a. 1s22s22p63s23p64s24p5 with 5 valence electrons
b. 1s22s22p63s23p64s23d104p65s25p5 with 5 valence electrons
c. 1s22s22p63s23p64s23d104p6 with 8 valence electrons
d. 1s22s22p63s23p64s23d104p65s24d105p5 with 7 valence electrons

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Write the electron configuration for Br- and state the number of valence electrons. Select one: a....
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