Error message

  • Notice: Undefined index: qtip_label in qtip_field_preprocess_field() (line 169 of sites/all/modules/qtip/modules/qtip_field/qtip_field.module).
  • Notice: Undefined index: qtip_label in qtip_field_preprocess_field() (line 169 of sites/all/modules/qtip/modules/qtip_field/qtip_field.module).
  • Notice: Undefined index: qtip_label in qtip_field_preprocess_field() (line 169 of sites/all/modules/qtip/modules/qtip_field/qtip_field.module).

Molecules are Three Dimensional

It is vitally important for their understanding of chemistry that they understand that molecules are three-dimensional things and that they have a spatial requirement in that they have a shape of their own and that shape will change.  They can't do higher level manipulations without an understanding of three-dimensional nature of molecules.