Lanthanum has 2 valence electrons.
one electron
Silver has one valence electron.
one valence electrons
[Xe]6s25d1
There is only one valance electron in potassium.
Lanthanum has 3 valence electrons
Alkali metals have one valence electron.
There are no valence electrons.
one electron
8 valence electron
[Xe]6s25d1 is the electron configuration of lanthanum.
The valence of beryllium is two.
Silver has one valence electron.
Selenium has 6 valence electrons
Six valence electrons
one valence electron
Francium has one valence electron.