2020-21 Semester 1 Chemistry Final Exam (3A) / 17 of 45 1 Pause
O Help-
17
CI
? pm
35
Br
114 pm
53
I
138 pm
Which of the following measurements represents the most reasonable atomic radius of CI?
OA 89 pm
B.
162 pm
C. 53 pm
OD. 126 pm
MacBookPro

4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.