Chemistry A-Level
Molecular shape names
What Molecular shape names means in Chemistry A-Level, as defined for OCR.
Definition of Molecular shape names
Check what you remember
Read the wording for your board, then hide it and explain Molecular shape names in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Linear, non-linear, trigonal planar, pyramidal, tetrahedral and octahedral, describing the atom positions rather than the lone pairs.
Topics that use Molecular shape names
- Bonding and structure (OCR A-Level)
Related terms
- Anomalous melting and boiling points
- Average bond enthalpy
- Averaging over similar compounds and its limitation
- Bond angles
- bond length and strength
- Bond polarity and lone pairs
- Bond polarity versus molecular polarity
- Comparison of solid, liquid and aqueous states
Using Molecular shape names in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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