The atom of an element X has 7 electrons in its M shell (a) Write the electronic configuration
Channel: Doubtnut
Date: 2020-01-26

The atom of an element X has 7 electrons in its M shell (a) Write the electronic configuration of element X. (b) What is the atomic number of element X ? (c) Is it a metal or a non-metal (d) What type of ion will be formed by an atom of element X ? Write the symbol of the ion formed (e) What could element X be ?