The valence of radium is 2+.
Radium is a bivalent chemical element.
2
Radium is a group 2 element. All group 2 elements have 2 valence electrons. Thus, radium has 2 valence electrons.
Radon has 8 valence electrons (electrons in it's outer shell) so does Ne, Ar, Kr, Xe. Helium is in the same line, but only has 2 valence electrons. Hope that helps! Sarah G.
Two electrons in the outer shell of radium.
Radium has 86 electrons.
Valence electrons
Radium has two valence electrons.
There are 2 valence electrons in Radium. There are 2 valence electrons in Radium.
Radium is a group 2 element. All group 2 elements have 2 valence electrons. Thus, radium has 2 valence electrons.
Two valence electrons
Radon has 8 valence electrons (electrons in it's outer shell) so does Ne, Ar, Kr, Xe. Helium is in the same line, but only has 2 valence electrons. Hope that helps! Sarah G.
Two electrons in the outer shell of radium.
Radium has seven electron shells; the valence of radium is 2+.
Radium has one valence electron.
Ununoctium has 118 electrons including 8 valence electrons.
Radium has 86 electrons.
Valence electrons
the electrons in the outermost shell of an atom are considered to be the valence electrons.