3.1.1 GetAtomicNum

virtual unsigned int GetAtomicNum() const

Return the atomic number of the atom. A value of zero is returned for wildcard atoms, such as MDL super atoms. An atomic number is specified as the argument to OEAtomBase::NewAtom and may be changed using OEAtomBase::SetAtomicNum. The set of unsigned integer values for this property are defined by the OEElemNo namespace.