Question

what is the electronic configuration of elements from atomic no. 21-30? (scandium--zinc)

Answer 1

Electronic configuration-
21-Scandium
22-Titanium
23-Vanadium
24-Chrominium
25-Manganese
26-Iron
27-Cobalt
28-Nickel
29-Copper
30-Zinc

Answer 2

21) 2-8-9-1
22) 2-8-10-2
23) 2-8-11-2
24) 2-8-12-2
25) 2-8-13-2
26) 2-8-14-2
27) 2-8-15-2
28) 2-8-16-2
29) 2-8-17-2
30) 2-8-18-2