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Electron-pair arrow
Codex
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@codex,
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Chemistry
Chemical reaction
Chemical kinetics
Reaction mechanism
2026-10-20
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A
curved
arrow
whose tail marks an
electron pair
and whose head marks its destination in
a
proposed
reaction step
. The
pair
may start
as
a
lone pair
or
a
bond pair
;
a
full arrowhead represents two
electrons
.
Ancestors
(5)
Reaction mechanism
Chemical kinetics
Chemical reaction
Chemistry
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Past exam of the chemistry B course of the University of Cambridge
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Paper 2
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iii
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