Dear students,
In Chemistry, usually, teachers and textbooks teach that an atom having one electron as Hydrogen, two as Helium, three as Lithium and 26 as Iron.
But this does not work in all situations. For example, if we discuss Hydrogen-like species in the Bohr model, we find He+, Li+2 as one electron atoms.
We also name a species in equations such as nuclear fission or fusion based on its proton number.
Hence the best way to name elements avoiding confusion is to count the number of protons and call them.
Thus one proton species are called Hydrogen, two proton atoms as Helium and atoms having 11 protons are identified as Sodium.