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Where a,b,c,d,e,f,g,h are 3rd period elements. If difference between atomic numbers of elements b and e is x and difference between atomic numbers of elements c and f is y. What is the value of x - y.

Answer»
Where a,b,c,d,e,f,g,h are 3rd period elements. If difference between atomic numbers of elements b and e is x and difference between atomic numbers of elements c and f is y. What is the value of x - y.


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