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Write the electron configuration for radium (Ra) A 1s22s22p63s23p64s23d104p65s24d105p66s25d106p67s2 B 1s22s22p63p64s23d104p65s24d105p66s24f145d106p67s2 C [Rn] 7s2 D 1s22s22p63s23p64s23d104p65s24d105p66s
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Write the electron configuration for radium (Ra)

A
1s22s22p63s23p64s23d104p65s24d105p66s25d106p67s2

B
1s22s22p63p64s23d104p65s24d105p66s24f145d106p67s2

C
[Rn] 7s2

D
1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p67s2

User Dmr
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1 Answer

5 votes
I believe B is the electron configurations for radium
User Daniel Nesbitt
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