what is valency?explain
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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.
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the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with
how many electrons an atom can lose/gain, in simple words
for example, valency of sodium is 1 and valency of oxygen is 2
hope it helps
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