28,545 views
39 votes
39 votes
How are periods and groups different from each other?.

User Ecki
by
2.8k points

1 Answer

22 votes
22 votes

Answer:

Period and groups are different because

PERIODS are the number of shells

I.e in lame man words the no of circles when drawn an element

GROUPS : these are the number of electrons in the outermost shell

Groups determine the valency*

User Johnnie
by
2.9k points