Ok I understand now, Activity decreases over the course of the second as well. I assumed it to be the average number of atoms decaying over a second, but it isn't. It is the activity from one point in time and as the atoms decay over the second the Activity decreases.
/resolved
Hi,
I'm new to the forum and came here because I could use some help.
At the moment I am really confused because I know that A = DecayConstant * N, where A is activity and N is the number of atoms before decay. Isn't the Activity is how many atoms decay after 1 second with a specific value of...