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Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency . The valency of an element is related to how many electrons are in the outer shell. Valence or valency is a measure of how readily an atom or radical forms a bond. Learn the meaning, examples, and table of element valences in chemistry. Valency is the combining capacity of an atom based on its outermost shell electrons. Learn how to find valency of elements, the difference between valency and oxidation number, and the valency of first 30 elements. Valency of an element is a measure of an atom's ability to combine with other atoms to create molecules or chemical compounds. The characteristics of an element that indicate how many more atoms can join one of its atoms in a covalent bond are known as valence , or valency , in chemistry.
