Seaborg leaked the synthesis of the elements 95 and 96 on the U. S. radio show for children, the Quiz Kids, five days before the official presentation at an American Chemical Society meeting on 11 November 1945, when one of the listeners asked whether any new transuranium element beside plutonium and neptunium had been discovered during the war.

Chemical analysis is an important element of national security among the major world powers with materials measurement and signature intelligence ( MASINT ) capabilities.

Chemical element symbols are always capitalized ( see below ).

Chemical symbols are understood internationally when element names might need to be translated.

The atoms in the structure are colour coded by Chemical element | element and the detailed structure of two base pairs are shown in the bottom right. The structure of part of a DNA double helix

Category: Chemical element groups

Columbium ( symbol Cb ) was the name originally given to this element by Hatchett, and this name remained in use in American journals — the last paper published by American Chemical Society with columbium in its title dates from 1953 — while niobium was used in Europe.

Chemical separation of the new formed elements from the uranium yielded material with low half-life, and, therefore, Fermi announced the discovery of a new element in 1934, though this was soon found to be mistaken.

Category: Chemical element groups

* Chemical sciences-ORNL conducts both fundamental and applied research in a number of areas, including catalysis, surface science and interfacial chemistry ; molecular transformations and fuel chemistry ; heavy element chemistry and radioactive materials characterization ; aqueous solution chemistry and geochemistry ; mass spectrometry and laser spectroscopy ; separations chemistry ; materials chemistry including synthesis and characterization of polymers and other soft materials ; chemical biosciences ; and neutron science.

Chemical element number 103 is named " lawrencium " in Lawrence's honor.

Chemical element number 103, discovered at LBNL in 1961, is named " lawrencium " in his honor.

Category: Chemical element groups

Chemical sensors use laser spectroscopy to analyze the concentrations of each element in the air.

Category: Chemical element groups

Category: Chemical element groups

Chemical studies performed in 2007 – 2008 indicate that flerovium is unexpectedly volatile for a group 14 element ; in preliminary results it even seemed to exhibit noble-gas-like properties due to relativistic effects.

In Chinese each chemical element has an ideograph, usually created for the purpose, as its symbol ( see Chemical elements in East Asian languages ).

# REDIRECT Chemical element

* Chemical element

* Chemical state, the electronic, chemical and physical nature of an element

Chemical experiments on the element proved that Mendeleev's suggestions were correct ; along with discovery and characterization of gallium and germanium this proved the correctness of the whole periodic table and periodic law.

Category: Chemical element groups

The university has courses in pure technical studies such as Applied Physics, Applied Mathematics, Mechanical Engineering, Electrical Engineering, Chemical Engineering, Informatics / Computer Science and Industrial Engineering and also offers courses in Communication, Psychology, Economical Sciences, Business, Public Administration, Applied Medicine and Biomedical Technology ; the latter attract a broader public.

Mr Accum acquaints the Patrons and Amateurs of Chemistry that he continues to give private Courses of Lectures on Operative and Philosophical Chemistry, Practical Pharmacy and the Art of Analysis, as well as to take Resident Pupils in his House, and that he keeps constantly on sale in as pure a state as possible, all the Re-Agents and Articles of Research made use of in Experimental Chemistry, together with a complete Collection of Chemical Apparatus and Instruments calculated to Suit the conveniences of Different Purchasers.

The chemical problems of producing gaseous compounds of uranium and pure uranium metal were studied at the University of Birmingham and Imperial Chemical Industries ( ICI ).

The chemical problems of producing gaseous compounds of uranium and pure uranium metal were studied at the University of Birmingham and Imperial Chemical Industries ( ICI ).

The pure science schools are Biological Sciences, Chemical Sciences, Mathematical Sciences, Computer Sciences, and Physics, all of which offer courses that are similar to those available in other universities.

Chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction or to transform other chemical substances.

* Chemical substance, a material with a definite chemical composition

* Chemical stability, occurring when a substance is in a dynamic chemical equilibrium with its environment

Chemical eye injury is due to either an acidic or alkali substance getting in the eye.

Production and stockpiling of sarin was outlawed by the Chemical Weapons Convention of 1993 where it is classified as a Schedule 1 substance.

Its production is strictly controlled, and stockpiling is outlawed by the Chemical Weapons Convention of 1993 where it is classified as a Schedule 1 substance.

Under both the 1972 Biological Weapons Convention and the 1997 Chemical Weapons Convention, ricin is listed as a schedule 1 controlled substance.

# REDIRECT Chemical substance

* Chemical decomposition, also called chemical breakdown, the breakdown of a substance into simpler components

* Chemical substance

In chemistry, Chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction or, to transform other chemical substances.

Chemical energy of a chemical substance can be transformed to other forms of energy by a chemical reaction.

* ChemSub Online, the Free Web Portal and Information System on Chemical Substances, substance names available in 8 languages.

On July 22, 2004, the owners of American Chemical Supply were arrested on federal charges relating to distribution of controlled substance analogues and the death of James Edwards Downs.

He is shoved by his laboratory assistant, a destructive chimpanzee named Jojo, causing him to accidentally break a container of a mysterious substance called Chemical X that spills into the mixture and explodes in Jojo's face.

# REDIRECT Chemical substance

Under certain circumstances the performance of a Chemical Safety Assessment ( CSA ) is mandatory and a Chemical Safety Report ( CSR ) assuring the safe use of the substance has to be submitted with the dossier.

Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances.

In order to stop an ecological disaster, Professor Utonium's son, Ken Kitazawa, uses Chemical Z, a new form of the Professor's original substance, Chemical X, to destroy a giant glacier.

As the chemical is a blister agent, its use is strongly restricted within the Chemical Weapons Convention where it is classified as a Schedule 1 substance.

Many countries have organisations that can assist with substance risk assessment and emergency planning that is required by a wide variety of legislation, such as the National Chemical Emergency Centre in the UK, Brandweerinformatiecentrum voor gevaarlijke stoffen / Fire service information centre for dangerous goods in Belgium.