Question A2 a) Sketch, on two separate diagrams, a plan (2D projection) of the sphalerite (cubic ZnS) and fluorite (CaF2) structures. b) By annotating your diagrams or otherwise, identify two symmetry elements that are common to both structures. c) By annotating your diagrams or otherwise, identify two symmetry elements that are present in one structure (stating which one) but not the other.
Question A2 a) Sketch, on two separate diagrams, a plan (2D projection) of the sphalerite (cubic ZnS) and fluorite (CaF2) structures. b) By annotating your diagrams or otherwise, identify two symmetry elements that are common to both structures. c) By annotating your diagrams or otherwise, identify two symmetry elements that are present in one structure (stating which one) but not the other.
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Transcribed Image Text:Question A2
a) Sketch, on two separate diagrams, a plan (2D projection) of the sphalerite (cubic ZnS) and
fluorite (CaF2) structures.
b) By annotating your diagrams or otherwise, identify two symmetry elements that are common
to both structures.
c) By annotating your diagrams or otherwise, identify two symmetry elements that are present
in one structure (stating which one) but not the other.
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