what is mean by valancy.
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Answers
Answer:
a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or take the place of
Explanation:
The combining capacity of an atom is known as its valency. The number of bonds that an atom can form as part of a compound is expressed by the valency of the element.
For example, nitrogen forms a number of compounds with hydrogen such as NH3, N2H4, N3H in which nitrogen atoms have valencies of 3, 2 and 1/3 respectively. Thus, this concept of valency as a mere number was not clear. Therefore, later on valency was defined as the number of chemical bonds formed by an atom in a molecules.
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Answer:
valeny is combining capacity of both electrons and neutrons .