Moving a rig from the location of a lost or completed hole preparatory to starting a new one. In skidding the rig, the move is accomplished with little or no dismantling of ...
The constitution of a molecular entity is the description of the identity and connectivity (including corresponding bond multiplicities) of the atoms in a molecular entity ...
A molecular entity is any constitutionally or isotopically distinct atom, molecule, radical, complex, conformer etc., identifiable as a separately distinguishable entity.
A substituent is an atom or group of bonded atoms that can be considered to have replaced a hydrogen atom (or two hydrogen atoms in the special case of bivalent groups) in a ...
Ligands are atoms or groups bound to a "central atom" in a polyatomic molecular entity. The term is generally used in connection with metallic "central atoms".
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