Physics, asked by dhangardeepika123, 10 months ago

how to know that which group and period the element belongs

Answers

Answered by riddhiganatra

1

Answer:

in periodic table

'the valence determines the group in which the elements belong '

and 'the number of octet determines the period in the the elements belong'

Answered by Rakeshchoudhary7

2

Answer:

periodic table contains 7 veritcal elements and 18 horizontal groups.

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