Which step in the scientific method has an if/then statement

The length of a vector arrow represents its magnitude and the point represents its direction true or false apex

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Which of these conditions most likely produces an unstable isotope?