See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

[Range : 9.33 – 9.34] Sol.   2 2 6 2 6 10 2 6 10 0 Pd 46 : 1s 2s 2p 3s 3p 3d 4s 4p 4d 5s 4 4 8 4 8      So, x = 28 y = 3