The reaction of bromine with an alkene such as cyclopentene is a good laboratory test for the presence of a double bond in a compound. What type of reaction is it? 
Definitions:
Reinforcements
In psychology, reinforcements refer to incentives or consequences that strengthen the behavior they follow, making it more likely to occur in the future.
Chaining
A behavioral technique of teaching complex tasks by breaking them down into simpler steps or components.
Combination Lock
A combination lock is a type of lock that opens upon entering a sequence of symbols, typically numbers in a specific order.
Reinforcement
In behavioral psychology, a consequence that will strengthen an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.
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