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
Extended or long form of periodic table
question_answer
The electronic configuration of an atom A is \[1{{s}^{2}},\] \[2{{s}^{2}}{{p}^{6}},\] \[3{{s}^{2}}{{p}^{6}}{{d}^{10}},\,4{{s}^{2}}{{p}^{3}}\]. The chemistry of A is therefore likely to be similar to that of [MP PMT 1995]