Difference between revisions of "State Symbols"
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Latest revision as of 12:13, 20 December 2019
Contents
Key Stage 4
Meaning
State symbols are symbols used in a symbol equation to identify the state of chemicals in a reaction.
About State Symbols
The state symbols are:
Examples
Hydrogen + Oxygen → Water
H2 (g) + O2 (g) → H2O(l)
Magnesium + Oxygen → Magnesium Oxide
2Mg + O2 (g) → 2MgO(s)
Sodium Iodide + Lead Nitrate → Sodium Nitrate + Lead Iodide
2NaI(aq) + Pb(NO3)2 (aq) → 2NaNO3 (aq) + PbI2 (s)
Sodium Hydroxide + Chlorine → Sodium Hypochlorate (Bleach) + Sodium Chloride + Water
2NaOH(aq) + Cl2 (g) → NaOCl(aq) + NaCl(aq) + H2O(l)
References
AQA
- State symbols, page 101, GCSE Chemistry, CGP, AQA
- State symbols, page 121, GCSE Combined Science; The Revision Guide, CGP, AQA
- State symbols, page 36, GCSE Chemistry; The Revision Guide, CGP, AQA
- State symbols, page 99, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- State symbols, pages 184, 251, GCSE Combined Science Trilogy 1, Hodder, AQA
- State symbols, pages 6-7, GCSE Chemistry; Third Edition, Oxford University Press, AQA
- State symbols, pages 68-9, GCSE Chemistry; Student Book, Collins, AQA
Edexcel
- State symbols, page 13, GCSE Chemistry; The Revision Guide, CGP, Edexcel
- State symbols, page 25, GCSE Chemistry, CGP, Edexcel
- State symbols, page 56, GCSE Chemistry, Pearson, Edexcel
- State symbols, page 76, GCSE Combined Science; The Revision Guide, CGP, Edexcel