In chemistry, electron counting is a formalism for assigning a number of valence electrons to individual atoms in a molecule. It is used for classifying...

of organic chemistry is a method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). It...

different masses. The mole corresponds to a given count of entities. Usually, the entities counted are chemically identical and individually distinct...

the realm of organic chemistry; the discovery of many more chemical elements and new techniques in the realm of analytical chemistry used for isolation...

or ions through such weak chemical bonds. As applied to coordination chemistry, this meaning has evolved. Some metal complexes are formed virtually irreversibly...

Medicinal or pharmaceutical chemistry is a scientific discipline at the intersection of chemistry and pharmacy involved with designing and developing...

In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the combination of several...

Inorganic chemistry deals with synthesis and behavior of inorganic and organometallic compounds. This field covers chemical compounds that are not carbon-based...

In chemistry, the valence (US spelling) or valency (British spelling) of an atom is a measure of its combining capacity with other atoms when it forms...

Nuclear chemistry is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear...

counting. The cells seen in the grid are counted and divided by the volume of blood examined, which is determined from the number of squares counted on...

Forensic chemistry is the application of chemistry and its subfield, forensic toxicology, in a legal setting. A forensic chemist can assist in the identification...

theory (/ˈvɛspər, vəˈsɛpər/ VESP-ər,: 410  və-SEP-ər) is a model used in chemistry to predict the geometry of individual molecules from the number of electron...

Additionally, some or all of six borderline elements (metalloids) are sometimes counted as nonmetals. The two lightest nonmetals, hydrogen and helium, together...

Computational chemistry is a branch of chemistry that uses computer simulations to assist in solving chemical problems. It uses methods of theoretical chemistry incorporated...

and organizations who make outstanding contributions in the fields of chemistry, physics, literature, peace, and physiology or medicine. They were established...

Amateur chemistry or home chemistry is the pursuit of chemistry as a private hobby. Amateur chemistry is usually done with whatever chemicals are available...

and Surface Chemistry. Part I (PDF) (Report). London: International Union of Pure and Applied Chemistry: Division of Physical Chemistry. Archived (PDF)...

enjoy widespread use by chemists and chemistry educators. This is especially true in the field of organic chemistry, where the traditional valence-bond...

In physical chemistry and engineering, passivation is coating a material so that it becomes "passive", that is, less readily affected or corroded by the...

and Applied Chemistry (IUPAC), which has decided on a sort of international English language, drawing on traditional English names even when an element's...

is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are...

groups 13 to 16. Group 3 or group 12, while still counted as d-block metals, are sometimes not counted as transition metals because they do not show the...

criteria–arsenic and antimony, for example—are sometimes counted as heavy metals, particularly in environmental chemistry,[failed verification] as is the case here....

population. Jews have been awarded all six of the Nobel Foundation's awards: Chemistry: 37 (19% of total) Economics: 38 (41% of total) Literature: 16 (13% of...

married Baron Roberto Ciani Bassetti. Count Achille (born 1924), doctor of chemistry, married, with issue: Count Alessandro (born 1951) doctor of letters...

in boranes is positive, and is based on the assumption that hydrogen is counted as −1 as in active metal hydrides. The mean oxidation number for the borons...

a meeting with Count's 77 to introduce him to the band. The existing members liked his work and felt a good deal of musical chemistry with Paris, who...

classification schemes generally). Some elements otherwise counted as transition metals are sometimes instead counted as post-transition metals namely the group 10...

Radioanalytical chemistry focuses on the analysis of sample for their radionuclide content. Various methods are employed to purify and identify the radioelement...