Which element has the same number of valence electrons as bromine (Br)?

(1 point)
Responses

selenium (Se)
selenium (Se)

krypton (Kr)
krypton (Kr)

potassium (K)
potassium (K)

chlorine (Cl)

1 answer

Bromine (Br) has 7 valence electrons. The element that has the same number of valence electrons as bromine is selenium (Se). Selenium also has 6 valence electrons, while chlorine has 7, krypton has 8, and potassium has 1. Therefore, the correct response is selenium (Se).