Chemistry, asked by borseaarush, 17 days ago

State what the number in the Modern periodic table signifies.Give a reason why elements in the same group, have similar valancy & similar chemical properties

Answers

Answered by sugandhabarnwal13

Answer:

please tell me in hindi please

Answered by sofianhendrik

Answer:

Group number signifies the number of electrons in the outer shell of an atom of the element. Number of electrons in the outer shell of all elements in a group is the same. Hence all elements in the same group of the periodic table have the same 'Valency' and similar 'Chemical properties'.

Explanation:

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