The number of electrons is 9.
8
18
Eight valence electrons.
14
The anion form of bromine, bromide, has eight valence electrons. Bromine normally has seven valence electrons, but gains to to form bromide.
The number of electrons is 18.
8
Chloride anion has 8 valence electrons.
18
Such an anion contains 10 electrons. it is called the oxide ion.
Eight valence electrons.
14
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The anion form of bromine, bromide, has eight valence electrons. Bromine normally has seven valence electrons, but gains to to form bromide.
As the chlorine atom has 17 electrons, the chloride ion has 18.
12. Nitrogen has 5 valance e- and Oxygen has 6 valance e-. Add 1 more because it has a 1- charge.
Cl has 7 valence electrons.