Chemistry, asked by prabhkaur06, 4 months ago

can u please explain that
how the valency of

3. Lithium
4. Beryllium
5. Boron

can be found by "electronic configuration"

i mean...if there's 1 electron in the second shell of lithium.. why's the valency is 1 ?​

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Answered by wansawaka
10

Answer:

valency of an element is the electron in the last shell if it is a metal

by the way it's belieber here

please follow and thank my other answers plzz

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