Question

Find the period , group , and block to which elements with atomic number 19 , 16 , 29 , 28 , 58 Please answer fast with clear reasons for the answer . I will mark as the BRAINLIEST for the best answer

Answer 1

Answer:

To find period , group and block ,first write electronic configuration

Then

Period no = Highest principal quantum no. (n)

Block = Subshell containing last electron

Group no =

For s block = no. of e- in ns

For p block = 12 + no. of e- in np

For d block = no. of e-s in (n-1)d and ns

For f block = Group no. is 3 always

Just check all this and you will get answers .

I hope it helps .