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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, 8:33 AM
Answered by Expert
Answer:

X = 2nd period and 17th group. 

Y = 3rd period and 15th group. 

Z = 3rd period and 18th group. 

 

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