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A single-headed arrow separating reactants from products.
Also known as: Yields sign, Arrow in a chemical equation
A plain arrow separates what goes in from what comes out. It is not an equals sign: it asserts a direction of change, and reversing it would state a different reaction.
Separates reactants from products in a chemical equation, pointing from what is consumed to what is formed.
Contexts: Laboratory
Asserts a direction rather than an equality, which is why it is not an equals sign and why reversing it states a different reaction.
Contexts: Laboratory
Carries conditions above and below it — a temperature, a solvent, a catalyst — so the arrow is a place to write on as much as a symbol.
Contexts: Laboratory
A straight horizontal line ending in a single arrowhead on the right, drawn between the two halves of a chemical equation.
Both are rightward arrows asserting that one thing follows from another, in unrelated fields.
Arrows stating what kind of change a reaction undergoes.