Question

Hey guys!
science question of scientific reason.
•refer to attachment.
◆n pls i dun need answers frm guide!
ever time i warn but still u guys answer from digest. pls try to give diff. ans this time.​

Answer 1

Answer:

heeyyy mate

very thnxs for thanking my answers

here is your required answer

According to the 2n2 rule, the maximum number of electrons in the third period = 2 x (3)2 = 18. But, the last shell cannot accommodate more than 8 electrons so, the number of electrons in third period is 8. Hence, the number of elements is also

hope it helps

purple you armyy

Answer 2

Answer:

The third period contains only eight elements even though the electron capacity of the third shell is 18 because when the other shells get filled and the resultant number of electrons becomes eighteen, it gets added up and settles in the third electron shell and three shells are acquired by the fourth period.

hope this helps you