Examlex
Which one of the following statements is correct?
Electron Pairs
Pairs of electrons occupying the same orbital but having opposite spins; important in bond formation and molecular structure.
Bronsted-Lowry Base
A substance that can accept a proton (H+) from another substance, according to the Bronsted-Lowry acid-base theory.
Lewis Base
A Lewis base is a substance that can donate a pair of electrons to form a covalent bond in a chemical reaction.
Nucleophile
A chemical species that donates an electron pair to an electrophile to form a chemical bond in reaction mechanisms.
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