CLASS 11 CHEMISTRY CHAPTER 9- HYDROGEN
1. Explain on the general basis of electronic configuration – the actual position of hydrogen in periodic table. Answer: The 1st element in the periodic table is hydrogen. Hydrogen exhibits dual behaviour because it has only 1 electron on its one ‘S’ shell.(i.e.,) hydrogen resembles both halogens and alkali metals. Electronic configuration of hydrogen = [1s1] …