Question

Using the location of the element on the Periodic Table, tell how each element below will fill its outer energy level and achieve a stable electron configuration in an ionic bond.


How will Radium (Ra) achieve a stable electron configuration?

a.It will lose 1 valence electron.
b.It will lose 2 valence electrons.
c.It will gain 1 valence electron.
d.It will lose 3 valence electrons.
e.It will gain 3 valence electrons.
f.It will gain 2 valence electrons.

Answer 1

a. It will lose 2 valence electrons.