Question

1) Z = 80
2) [Xe]4f75d16s2
3) Z = 74
4) [Rn]6d25f14752
3) Uue
Which of the following is not correctly matched?
Period 6, d block Gr 12
Period 6, f block Gr 3
Period 6, d block
Gr 5
Period 7, d block Gr 4​

Answer 1

Answer:

sorry I can't understand the question please write your question in proper context