Figure 1.3 the symmetry content of some common objects. I need every object on t

ID: 3010130 • Letter: F

Question

Figure 1.3 the symmetry content of some common objects.

I need every object on this list categorized into its point group. See options of point groups in the last link.

Unsharpened Pencil

Rubber Eraser

Equilateral Triangle

Folding Chair

Card Table

45 degree Triangle

Cube (needs 2 answers)

Baseball or Tennis Ball

Pyramid

http://www.fresnostate.edu/csm/ees/documents/Lab%201%20HW%202D%20symmetry.pdf

The link above (last page of PDF) shows what I need to do.

The link below lists the 32 Crystallographic Point Groups, I need each object placed into 1 of the 32 (not 1 of the 7 crystal stems).

http://pd.chem.ucl.ac.uk/pdnn/symm2/group32.htm

Unsharpened Pencil - Hexagonal 6mm

Rubber Eraser - Tetragonal 422

Equilateral Triangle - Trigonal 3m

Folding Chair - Triclinic 1

Card Table - Orthorhombic 222

45 degree Triangle -

Cube - 23 / m-3 / 432 / -43m / m-3m

Baseball or Tennis ball -

Pyramid -

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