What is valency in chemistry?

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Sir you are amazing...from 8th class I'm studying chemistry but I didn't know about valency...but after watching your video I'm learning....the way you teach is just amazing....I appreciate your hard work

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While arranging electrons there should be a little space the electrons in unstable elements should not be paired up

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Sir please make video how to calculate valency of elements having atomic numbers more than 20 by using klmn and spdf method

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Sir what is the valency of Rutherfordium (104) I mean how this element behaves as donor or acceptor ?

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Sir what is the valency of Rutherfordium (104) I mean how this element behaves as donor or acceptor ?

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why zn cu and fe have variable valeny?

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Sir valency negative be ho sakti hi ya nai
Guide me

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How can the first shell have more than 2 elctrons

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That's outermost shell, not the 1st shell.

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​@@AbdullahAlRaianNiloy
Sir what is the valency of Rutherfordium (104) I mean how this element behaves as donor or acceptor ?

[@AbdullahAlRaianNiloy]

@@rafeequeahmed8240 Rf(104) is a radioactive element. So, it doesn’t act as a donor or acceptor. Radioactive elements are chemically unstable because the nucleus is unstable.They does have valance electron.Since, they aren't chemically reactive therefore their valancey can't be calculated.

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Valency of copper is either 1 Or 2 not 3

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Why you called the first hydrogen duplet rule

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valency of zinc is 2 only not 3

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Valency of group 7 is 2

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Abe Bhai oxygen ki valency -2 hoti hai na ki 2 😂

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