Key term for OCR GCSE Chemistry B, used in Development of scientific theory.
A 2D diagram showing the arrangement of outer shell electrons in a molecule and which atoms they originated from.
Dot-and-cross diagram appears in OCR GCSE Chemistry B revision content for Ideas about Science, especially Development of scientific theory and Use of models.
Ideas about Science
Use of models
Chemicals of the natural environment
Covalent bonding
Chemicals of the natural environment
Limitations of molecular models
Chemicals of the natural environment
Dot and cross diagrams for covalent
Ideas about Science
Development of scientific theory • Use of models
Chemicals of the natural environment
Crude oil and hydrocarbons • Covalent bonding
Chemicals of the natural environment
Crude oil and hydrocarbons • Limitations of molecular models
Chemicals of the natural environment
Crude oil and hydrocarbons • Dot and cross diagrams for covalent
Chemical patterns
Formation of compounds • Dot and cross diagrams
Chemical patterns
Formation of compounds • Translating chemical structures
Chemical patterns
Formation of compounds • Limitations of models
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