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CBSE Class 10 Answered

Element A has 4 valence electrons while C has 6. In the answer it is written that both of them have 4 valence electrons. As per my understanding the correct option is C. Please guide me correctly.
Asked by Akshai R K | 22 Feb, 2014, 11:29: PM
answered-by-expert Expert Answer
Element A has atomic number 6. So the electronic configuration is 2,4.
Element C has atomic number 32. So the electronic configuration is 32.
 
Both the elements A and C have 4 electrons in their outermost shell.
 
So they both belong to the same group 14.
 
So the correct option is B.
Answered by | 25 Feb, 2014, 09:45: AM

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