Three-dimensional molecular models are powerful tools used in basic courses of general and organic chemistry when the students must visualize the spatial ...
(2' Fm 8" intemting dim=ion of the history of the p r i d e tsble 8.8. Weeks, M E. '"Dismueryof the Elements: Journalof ChemiesiEdueation,Ea*ton, PA, 1966,pp.
A model of a dodecahedron which is necessary for teaching stereochemistry (for example, that of dodecahedrane CzoHzo)' can be made easily by using a ...
Apr 9, 1984 - (6) Donohue. J., âThe Structures of the Elements,â John Wiley andSons, Inc., New York,. 1974. (7) Pauling,L., âThe Nature of the Chemical Bond ...
B falls on the center line. The new corner on the right-hand side of the envelope is marked C. 3) This lower part is folded further along line AB so that point C falls ...
and a line CED, perpendicular to the center line at E, is drawn. 3) The upper part of the envelope is out off along the horizontal line, CED. The remaining portion ...
as D and a line EDF, perpendicular to the center line a t D, is drawn. ... and C*, are forced to approach and meet, and finally are put together with pasting tape to.
The points on the left-hand side of the envelope corresponding to points B and C are marked as D and E. resoedivelv. The new corner on the. ~~~~~~. ~~~~~.
portion below DCis removed. 4) Folds are made inwards as shown: viz,. AP', P'Q, PQ', Q'D, QC. 5) The paper is now cut along the central crease, down from the ...
Shukichi Yamana'. Kinki University, Kowakoe, Higashi Osaka 577, Japan ... 3) A horizontal line CD, perpendicular to the right-hand side of the envelope a t C, is ...