AS Chemistry EL CI 1.1
- Created by: A.B.
- Created on: 22-10-13 18:56
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- EL Amount of Substance CI 1.1
- Avogadro Constant
- Symbol N
- Number of particles in 1 mole of a substance
- 6.02 x 10
- Relative Atomic Mass
- A
- Number of times an atom of an element is heavier than one twelfth of an atom of C (mass relative to carbon 12)
- These values have no units
- Expected to 1 decimal place
- Relative Formula Mass
- M
- Sum of relative atomic masses (A ) for each atom in the formula
- Also called Relative Molecular Mass
- These values have no units.
- Relative Formula Mass
- Relative Formula Mass
- M
- Sum of relative atomic masses (A ) for each atom in the formula
- Also called Relative Molecular Mass
- These values have no units.
- Mole
- To obtain 1 mole, weigh out A or M
- Number of particles in 1 mole of a substance
- Empirical Formula
- Simplest ratio of atoms of each element in a compound.
- Molecular Formula
- Actual number of atoms of each element in a molecule.
- Either same as or a whole number multiple of the empirical formula
- Avogadro Constant
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