Question

The last electron in an element fills the subdivision '3d'. If 3d6 is the last subscale arrangement, answer the following questions a) Atomic number b) Block‌ c) Group‌ d) Period
plss help. today exam​

Answer 1

Answer:

Complete the electronic configuration is 1s

2

,2s

2

,2p

6

,3s

2

,3p

6

,3d

8

,4s

2

. and atomic number is 28.

Period number: 8+2=10, ∵ group number = No. of valence electron

Explanation:

hope it helps you please mark me brainlist