Question

The element X in a group 16 has 3 shells.Write subshell electronic configuration of the element and write any two characteristics of this element *
1s2 2s2 2p4 -- from coloured compounds, metals
1s2 2s2 2p6 -- Lanthanones and actinones
1s2 2s2 2p6 3s2 3p4 -- High Electronegativity and ionisation energy
None of these

Answer 1

Answer:

Three shells are K,L,M. The subshells are 1s,2s,2p,3s,2p,3d

Group number: 17

Electrons in last shell: 7

Shell electronic configuration 2,8,7

Sub-shell electronic configuration 1s

2

,2s

2

,2p

6

,3s

2

,3p

5 I hope it helps you