Notifications
Clear all
Atoms and Molecules
1
Posts
2
Users
0
Likes
421
Views
0
13/11/2021 1:05 pm
Topic starter
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by the student are as follows. Which symbol is the correct one?
(a) CO
(b) Al
(c) He
(d) So
1 Answer
0
13/11/2021 1:06 pm
Correct answer is (c) He