saqibkilledar68 Asked: December 2022 an atom of an element has two electrons in outermost m shell state its atomic number also write the symbol of that element
saqibkilledar68 Asked: December 2022 The atomic number and mass number of an element X are 11 and 23 respectively. Find the number of protons and neutrons
saqibkilledar68 Asked: December 2022 How does nitrogen fixation take place during lightning? How do plants make use of nitrates and nitrites present in soil? Explain with a neat diagram