2 valence electrons are in iridium because iridium is a transition metal.
Most transitions metal would have 2 valence electrons because the group before the transition metals are the alkaline-earth metals which contains 2 valence electrons in that group making the transition metals have 2 valence electrons.
3 valence electrons.
8 valence electrons
3 valence electrons
Aluminium has 3 valence electrons.
Carbon has 4 valence electrons.
6 valence electrons
how many valence electrons does family 1 have
3 valence electrons.
5 valence electrons.
3 valence electrons
10 valence electrons
8 valence electrons
8 valence electrons
Beryllium has two valence electrons.
3 valence electrons
Cl has 7 valence electrons.
the element Ir has 77 electrons