JEE Mains · Chemistry · STD 11 - 3. Classification of elements and periodicity in properties
Element \("E"\) belongs to the period \(4\) and group \(16\) of the periodic table. The valence shell electron configuration of the element, which is just above \('E'\) in the group is \(.....\)
- A \(3 s ^{2} \cdot 3 p ^{4}\)
- B \(3 d ^{10} \cdot 4 s ^{2}, 4 p ^{4}\)
- C \(4 d ^{10} \cdot 5 s ^{2}, 5 p ^{4}\)
- D \(2 s ^{2}, p 4\)
Answer & Solution
Correct Answer
(A) \(3 s ^{2} \cdot 3 p ^{4}\)
Step-by-step Solution
Detailed explanation
\(E \Rightarrow[ Ar ] 3 d ^{10} 4 s ^{2} 4 p ^{4}\) Element above \(E \Rightarrow[ Ne ] 3 s ^{2} 3 p ^{4}\)
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