Examlex
Discuss meaning of the effectiveness rate of contraceptive methods in general.Distinguish between the failure rate for the perfect and typical user,respectively.
Thermal Cycloaddition
A chemical process where two or more molecules join together in a reaction that involves the redistribution of electrons and is facilitated by heat.
Allyl Anion
A negatively charged species derived from an allyl group, featuring a conjugated system of electrons across three carbon atoms.
Ethylene
A colorless flammable gas with the formula C2H4, used as a hormone in plants and an important industrial organic chemical in the production of polymers.
HOMO
An acronym for Highest Occupied Molecular Orbital, representing the highest energy molecular orbital containing electrons.
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