Question

how to solve whole periodic table like how to find neutrons ,protons ,electron ,k,l,m,n, and valency .

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Answer 1

Answer:

Explanation:

you can get to know about the valency by the number of element such as helium is the 2nd element therefore its electronic configuration will be 2

if we talk about lithium its 3rd element and its electronic configuration is 2,1

valency

valency is the number of electrons given taken or shared to make it stable

for example to make stable lithium we have to give away one electron  therefore the number of electrons given away is 1 so that is why itsvalencyis one.

Answer 2

Answer:

You can get to know about the valency by the number of element such as helium is the 2nd element therefore its electronic configuration will be 2

If we talk about lithium its 3rd element and its electronic configuration is 2,1

VALENCY

Valency is the number of electrons given, taken or shared to make it stable

For example:-

To make stable lithium we have to give away one electron, therefore the number of electrons given away is 1 so that is why it's valency is one

Explanation:

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