Question

The four successive ionization energies for an unknown element are;

I1=896kJ/mol

I2=1752kJ/mol

I3=14807kJ/mol

I4=17948kJ/mol

To which family in the periodic table does the unknown element most likely belong?

Answer 1

According to given data of ionization energies, the element belongs to alkaline earth metal. Group number is 2 in periodic table, period number is 2 in periodic table, the element is Be