Question

the atomic number of the following not represent the element in the d block
1)z=21
2)z=31
3)z=56
4)z=49

Answer 1

Answer:

[(n-1)d¹–¹°ns°–²] is your answer

Explanation:

option (c) 56 is the answer

Answer 2

Answer:

3 56 hope this helps you ♥️♥️♥️