Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Valency and oxidation state
question_answer
If the valency shell electronic structure for an element is \[n{{s}^{2}}n{{p}^{5}}\], this element will belong to the group of [CBSE PMT 1992]