Answer:
79.3%
Explanation:
Percent yield = 5.33g/6.72g x 100% = 79.3%
He would have concluded that the order of operations would be different. This therefore would affect the periodic table's order.
Well you want the answer with the same letter in it. A.k.a 2. This means they have the same element in them
O2 (Diatomic oxygen that we breathe) and O3 (Ozone that would be deadly to breathe) have different structures.
So the answer is 2