Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give the...

Question

Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number

Accepted Answer

Atomic number of sodium Z 11 Mass number of sodium A 23 Number of protons in the nucleus 11 Number of neutrons in the nucleus 2311 12 Number of electrons 11 Electronic configuration of Naatom 2 8 1KLM Na ion is formed from sodium atom by loss of an electron present in the outermost shell Hence the electronic configuration is 2 8K L However the number of protons and neutrons remains the same

NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom