<span>Unstable nuclei can break apart spontaneously, changing the identity of the element.
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<span>I believe in this instance you would be profiling them. You would be examining their behavior to see if there is anything to suggest that they might actually commit a dangerous act. This would be something that a detective or police officer would do.</span>
I believe the answer is: character
In leadership, character refers to the The way you act/use your position as a leader. This would include things such as your integrity, the ethical standard that you create for the organization, your self-awareness, your empathy toward other group members, your emotional health, etc.