Chemistry A-Level
Calculation accuracy
What Calculation accuracy means in Chemistry A-Level, as defined for OCR.
Definition of Calculation accuracy
Check what you remember
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Reference: OCR
Keeping the answer between the lightest and heaviest isotope masses as a check on reasonableness, and stating it to a sensible number of significant figures.
Topics that use Calculation accuracy
- Atomic structure and isotopes (OCR A-Level)
Related terms
- atomic number
- isotopes
- Isotopic abundance
- Isotopic abundance and its effect on the mean
- mass number
- Molecular versus ionic substances
- Relative atomic mass
- Relative atomic mass as a weighted mean
Using Calculation accuracy in the exam
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