1.

Atom as a whole is electrically neutral. Justify.

Answer»
  • The magnitude of electronic charge (e) on the nucleus is +Ze and that of outer sphere is -Ze. Number of protons and number of electrons are always equal in an atom. 
  • As a result of this, the charges get nullified, therefore, the atom as a whole is electrically neutral.
An atom contains equal no of protons present inside the nucleus and electrons that are present in the orbitals the presence of equal amout of charge on the atom it nullifies the charge and becomes electrically neutral 


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