7
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Atomic Numbers and Electron Configurations

Question 7 • *26-27 CFISD TX-Chemistry A CR

1s22s22p63s23p64s23d104p5Which element is this? fluorine (F)✔ bromine (Br)X chlorine (Cl)krypton (Kr)

Answer
A
fluorine (F)
B
✔ bromine (Br)
C
X chlorine (Cl)
D
krypton (Kr)
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