(a) A concrete (ball-and-stick) model where color is used to denote different atoms. Black is carbon, white is hydrogen, red is oxygen, and blue is nitrogen. (b) Dash-Wedge diagram (side-view), (c) Newman diagram (end view), and (d) Fischer diagram (upright view) of the same organic molecule depicted in the balland-stick model.
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Model sets help, so you should definitely purchase a model set at this point in your study of organic chemistry, because it's going to help you a lot later in the course. On the left is the Lewis dot structure for acetone, and we can turn that into a bond line structure really quickly. So here is the bond line structure for acetone. Edunovate India develops Organic Models / ball and sticks molecular models kit contain total 220 pieces to help students and teacher in visualization of three dimensional shape of molecule. This molecular model kit will help teachers and parents to cultivate children's interest in chemistry.Apr 27, 2017 · The Rieske center and the catalytic iron are shown in CPK model representation. (D) 2Fo-Fc electron density contoured at 1.5σ level in the vicinity of catalytic iron center with the ligand His206, His211 and Asp360 shown as a ball and stick model. (E) View along the molecular threefold axis of 3NTDO-O DS2. The iron, sulphur, nitrogen and water ...