Key term for OCR GCSE Chemistry B, used in Data interpretation and conclusions.
An exponential change in the value of a quantity by a factor of 10, frequently used to compare the relative sizes of objects like atoms and nanoparticles.
Order of magnitude appears in OCR GCSE Chemistry B revision content for Ideas about Science, especially Data interpretation and conclusions and Unit conversion.
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Material choices
Nanoparticles • Ratios and relative sizes
Chemical patterns
History of the atomic model • Typical size of atoms
