Elementary Step
Definition
An elementary step is a single step in a reaction mechanism that represents the collision and interaction of reactant particles. Each elementary step has its own rate constant and molecularity.
Related terms
Reaction Mechanism: The sequence of elementary steps that make up a chemical reaction.
Intermediate: A species that forms during an intermediate step but is consumed in subsequent steps.
Transition State: The high-energy state that occurs during an intermediate step where bonds are breaking and forming.
"Elementary Step" appears in:
Practice Questions (2)
What is the type of elementary step and rate law for A + 2B → C?
If the first elementary step is at a fast equilibrium, the first step with an intermediate can have a substitute of which of the following?
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About Us
About Fiveable
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Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
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Glossary
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Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.