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CBSE Class 10 Answered

How to find the period and group number when atomic number is given?? 
Asked by veena23_anandk | 04 Feb, 2018, 01:04: PM
answered-by-expert Expert Answer
If the atomic number is given from the electronic configuration we can find the poasition of the element.
 
Example:
 
Carbon (6)
 
Electronic configuration: (2,4)
 
No. of valence electrons gives the group number and no of shells gives period.
 
So it corrosponds to group 4 and period 2.
Answered by Varsha | 04 Feb, 2018, 06:45: PM

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