Electronic configurations of elements X, Y and Z are given below:

X = 2, 7

Y = 2, 8, 5

           Z = 2, 8, 8

Write the position of these elements in the Modern Periodic Table.

Asked by Topperlearning User | 28th May, 2014, 08:33: AM

Expert Answer:

X = 2nd period and 17th group. 

Y = 3rd period and 15th group. 

Z = 3rd period and 18th group. 

 

Answered by  | 28th May, 2014, 10:33: AM