Question

in which family or group would you place elements: Z=117120 ,also give electonic configuration in each case?

Answer 1

Element with an atomic number number 117 will have the following electronic configuration:

5f¹⁴ 6d¹⁰ 7s² 7p⁵

Therefore it will be placed in the 7th period and 17th group of the periodic table .

Element with an atomic number 120 will have the following electronic configuration:

5f¹⁴ 6d¹⁰ 7s² 7p⁶ 8s²

Therefore it will be placed in the 8th period and 2nd group of the periodic table.