Notifications
Clear all
0
22/11/2020 1:13 pm
Topic starter
Choose from the following:
6C, 8O, 10Ne, 11Na, 14Si
(a) Elements that should be in the same period.
(b) Elements that should be in the same group.
State reason for your selection in each case.
1 Answer
0
22/11/2020 1:15 pm
(a) 6C, 8O, 10Ne are in same period, Le.
2nd period as they have two shells. nNa and 14Si are in same period, i.e. 3rd period as they have three shells.
(b) 6C,14Si are in same group because they have same number of valence electrons, i.e. four.