state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 General Science Chemistry Periodic Table
An atmospheric oxide of a metalloid present in 15th group. The possible electronic configuration of that metalloid is
1
[Ar]3d10 4s24p3
2
[He] 2s22p3
3
[Ne] 3s2p3
4
[Xe] 4f14 5d10 6s2 6p3
5
Question Not Attempted