The activity of a radioactive sample is the number of decay events per second. The SI unit of activity is the becquerel (1 Bq = 1/s). An older unit for activity is the curie (1 Ci = 3.70 1010/s). What is the activity in Ci of a sample with an activity of 2.1 
105 Bq of radiation?
Definitions:
Painful Electric Shocks
Discomforting or harmful electrical stimuli applied to the body, often used in psychological experiments to study pain perception or behavioral conditioning.
Experimental Accomplice
A person secretly working with the researcher to act as a participant in an experiment, but whose behavior is scripted or predetermined.
Bystander Effect
A social psychological phenomenon in which individuals are less likely to offer help to a victim when other people are present.
Emergency
A sudden, unexpected situation requiring immediate action to prevent a dangerous outcome.
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