According to the definition by IUPAC, the former two are alkanes, whereas the third group is called cycloalkanes.

According to the rules of IUPAC nomenclature, ketones are named by changing the suffix-ane of the parent alkane to-one.

According to the IUPAC definition, a metallocene contains a transition metal and two cyclopentadienyl ligands coordinated in a sandwich structure, i. e., the two cyclopentadienyl anions are co-planar with equal bond lengths and strengths.

According to an IUPAC definition, solubility is the analytical composition of a saturated solution expressed as a proportion of a designated solute in a designated solvent.

According to IUPAC recommendations, the discoverer ( s ) of a new element has the right to suggest a name.

According to current guidelines from IUPAC, the ultimate name for all new elements should end in "- ium ", which means the name for ununoctium may end in "- ium ", not "- on ", even if ununoctium turns out to be a noble gas, which traditionally have names ending in "- on " ( with the exception of helium, which was not known to be a noble gas when it was discovered ).

According to current guidelines from IUPAC, the ultimate name for all new elements should end in "- ium ", which means the name for ununseptium will end in "- ium ", not "- ine ", even if ununseptium turns out to be a halogen, which traditionally have names ending in "- ine ".

According to IUPAC recommendations, the discoverer ( s ) of a new element has the right to suggest a name.

According to the standard IUPAC definition, the term macromolecule as used in polymer science refers only to a single molecule.

According to the IUPAC definition, it is the partial molar Gibbs energy of the substance at the specified electric potential, where the substance is in a specified phase.

According to the IUPAC nomenclature,

According to IUPAC recommendation: A thermosetting polymer is a prepolymer in a soft solid or viscous state that changes irreversibly into an infusible, insoluble polymer network by curing.

According to IUPAC rules all hydrogen atoms should preferably be drawn explicitly.

According to IUPAC recommendations, macromolecules refer to the individual molecular chains and are the domain of chemistry.

According to IUPAC nomenclature, " isobutyl ", " sec-butyl ", and " tert-butyl " are all retained names.

According to 1993 IUPAC guidelines:

According to the IUPAC definition, flocculation is " a process of contact and adhesion whereby the particles of a dispersion form larger-size clusters.

According to IUPAC notation, microporous materials have pore diameters of less than 2 nm and macroporous materials have pore diameters of greater than 50 nm ; the mesoporous category thus lies in the middle.

According to the IUPAC, a mesoporous material can be disordered or ordered in a mesostructure.

According to the IUPAC definition, mixed potential is the potential of an electrode ( against a suitable

According to Brønsted – Lowry acid-base theory, acids are substances that donate a positive hydrogen ion to another substance in a chemical reaction ; by extension, a base is the substance which receives that hydrogen ion.

According to Christopher Lipinski and Andrew Hopkins, " Whether the aim is to discover drugs or to gain knowledge of biological systems, the nature and properties of a chemical tool cannot be considered independently of the system it is to be tested in.

According to a 1998 report created by William Brankowitz, a deputy project manager in the U. S. Army Chemical Materials Agency, the Army created at least 26 chemical weapons dump sites in the ocean off at least 11 states on both the west and east coasts.

According to the prevailing beliefs of the 1960s, a chemical can be classified as a neurotransmitter if it meets the following conditions:

According to the Oxford English Dictionary, the first figurative use of the term appeared in the 1902 edition of the Encyclopædia Britannica relating to an entry on the chemical analysis of glucose.

According to one report, virtually all the large underground fresh-water supplies in Uzbekistan are polluted by industrial and chemical wastes.

According to Smithsonian curator Dr. Jeffrey Post, the element boron may be responsible for causing the blue color of the stones after tests using infrared light measured a chemical spectrum of the gems.

According to Carbide, " in designing the plant's safety systems, a chemical reaction of this magnitude was not factored in " because " the tank's gas storage system was designed to automatically prevent such a large amount of water from being inadvertently introduced into the system " and " process safety systems — in place and operational — would have prevented water from entering the tank by accident ".

According to Nature, 5, 000 animals are used for each chemical being tested, with 12, 000 needed to test pesticides.

" According to an unnamed Pentagon source quoted by Hersh, the OSP " was created in order to find evidence of what Wolfowitz and his boss, Defense Secretary Donald Rumsfeld, believed to be true — that Saddam Hussein had close ties to Al Qaeda, and that Iraq had an enormous arsenal of chemical, biological, and possibly even nuclear weapons that threatened the region and, potentially, the United States.

* According to U. S. Intelligence, China, with help from France and Syria, has secretly sold to Iraq the prohibited chemical Hydroxyl-terminated polybutadiene, or HTPB, which is used in making solid fuel for long-range missiles.

According to Department of Defense personnel with whom Arkin spoke, Central Command chief Anthony Zinni insisted that the U. S. only attack biological and chemical sites that " had been identified with a high degree of certainty.

According to Hiltermann, the literature on the Iran-Iraq war reflects a number of allegations of chemical weapons use by Iran, but these are " marred by a lack of specificity as to time and place, and the failure to provide any sort of evidence ".

According to the data gathered by the Pic du Midi observatory, planets like Mars or Venus had atmospheres in chemical equilibrium.

According to former CIA analyst Michael Scheuer, she had voiced doubts that the factory had ties to al Qaeda or was producing chemical weapons.

According to Lunev, a probable scenario in the event of war would be poisoning of Potomac River with chemical or biological weapons, " targeting the residents of Washington DC " He also noted that it is " likely " that GRU operatives have placed already " poison supplies near the tributaries to major US reservoirs.

According to the film, " recent tests conducted at the CSI Suffolk Crime lab in New York demonstrate that the patina ( a chemical film encrustation on the box ) from the James ossuary matches the patina from the other ossuaries in the Talpiot tomb.

According to chemical engineer Robert Ulanowicz, in his 1986 book Growth and Development, Laplace's demon met its end with early 19th century developments of the concepts of irreversibility, entropy, and the second law of thermodynamics.

According to this type of view, social properties supervene on psychological properties, psychological properties supervene on biological properties, biological properties supervene on chemical properties, etc.

According to a 1999 NRDC study, in which roughly 22 percent of brands were tested, at least one sample of bottled drinking water contained chemical contaminants at levels above strict state health limits.

According to Thomas Körner, the discovery that his meteorological work was of value to chemical weapons designers led him to abandon all his efforts in this field, and destroy findings that he had yet to publish.

According to a 2011 salary survey by the American Institution of Chemical Engineers ( AIChE ), the median annual salary for a chemical engineer was approximately $ 110, 000.

According to Mohorovičić, a layered structure would explain the observation of depths where seismic waves change speed and the difference in chemical composition between rocks from the crust and those from the mantle.

According to historians Yoshiaki Yoshimi and Seiya Matsuno, Hirohito authorized by specific orders, transmitted by the Chief of staff of the Army such as Prince Kan ' in or Hajime Sugiyama, the use of chemical weapons against Chinese civilians and soldiers.