The key difference between electrovalency and covalency is that the electrovalency is the number of electrons that an atom either gains or losses in forming an ion whereas covalency is the number of electrons that an atom can share with another atom.
Feb 2017 »The key difference between electrovalency and covalency is that the electrovalency is the number of electrons that an atom either gains or losses in forming an ion whereas covalency is the number of electrons that an atom can share with another atom.