There are four F atoms on the products side.
Since two more F atoms are required on the reactant side, you multiply the number of F2 molecules by two.
So 2 should be placed in front of F2
100%.....50%.....25%......12.5%......6.25%......3.125%......1.5625%
...........1............2...........3..............4.................5................6..................
After six half-lives would be found 1.5625% of readioactive species.
Answer: they both have large amounts of iron (Fe)
Answer:
A. The average of all the data points
Mos commonly 2 elements combine.
examples: H2, O2
