Question

how can we find valency of an element​

Answer 1

Explanation:

Mathematically we can say that if the outermost shell of an atom contains 4 or less than 4 electrons, then the valency of an element is equal to the number of electrons present in the outermost shell and if it is greater than 4, then the valency of an element is determined by subtracting the total number of electrons ..

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Answer 2

Answer:

Mathematically we can say that if the outermost shell of an atom contains 4 or less than 4 electrons, then the valency of an element is equal to the number of electrons present in the outermost shell and if it is greater than 4, then the valency of an element is determined by

Explanation:

Element atoms have a natural capability to bond with other element atoms. A molecule is formed when two or more atoms of the same or different elements unite to form a stable structure. A molecule of sodium chloride is formed when an atom of sodium and a molecule of chlorine unite, while a molecule of hydrogen fluoride is formed when an atom of hydrogen and a molecule of fluorine combine. Each atom has some capability for mixing with other atoms. Valency refers to an element’s ability to combine its constituent atoms. Hydrogen and chlorine are believed to have the same valency. The valency of other elements is determined by comparing them to hydrogen or chlorine.