Electrovalence: valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionicbond between the atoms.
电价:在原子间形成离子键的过程中,由电子从一种元素的原子转移到另一种元素的原子所表示的价。
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An ionicbond is characterized by the transfer of an electron from one atom to the other.