Cambridge IGCSE Chemistry · Syllabus 0620 · Stoichiometry
State symbol
What is State symbol?
A state symbol is the letter written in brackets after a formula in an equation to record the physical state of that species under the reaction conditions: (s) solid, (l) liquid, (g) gas and (aq) dissolved in water.
This definition is part of the Stoichiometry chapter in Cambridge IGCSE Chemistry.
Common mistakes with State symbol
- 6. Leaving out state symbols Repair They are named inside the Core statement, so a symbol equation without them is an incomplete answer, not a stylistic choice. And they depend on the conditions the question describes, not on habit. Lesson 3.1C Core 3.1.4