How we can find the valency of 1 to 30 element
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here is the answer for ur question...
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Kaveri7777:
the valency of chlorine is 1...
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- first we need to represent it in electronic configuration
- for example we take calcium
- its electronic configuration is 2,8,8,2
- so elements always try to attain like noble gas state
- so its nearest noble gas have configuration of 2,8,8
- so it need to lose two electrons to attain noble gas state
- this is how you find valency of an element
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