Why valency depends upon the number of shells in an atom tell in briefly
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Answer:
Valency means the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
Explanation:
A shell can usually take upto 8 electrons, so how many ever electrons it has in its valence (last/outermost) shell + x should be 8
Thats why for example, carbon's valency is 4
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