"chemicals" newsreels and historical clips

The Soviet delegation visits the U.S. chemical weapons storage.

"Greenpeace" protests against the dumping of chemical wastes into the sea.

Iran accuses Iraq of using chemical weapons against the Kurds.

USSR - FRG exposition at the International Chemical Exhibition in Moscow.

Protest "Greenpeace" against dumping chemical waste in the North Sea.

Protest delegates international conference on chemical weapons in Paris.

Acts Botha.

Students march against the production of chemical weapons in Libya.

Conference on the prohibition of chemical weapons.

Chronicle of 1915-1988 years.

Construction of chemical plant in lead - Bidzheranove.

Soviet specialists in construction.

... of an antique statue.

Piano keys, a diagram of the distribution of chemical elements in nature (animation).

An engraving depicting the Neva River in the center of St.

Petersburg in the middle of the 19th century.

A table of chemical elements discovered by the middle of the 19th century, with empty cells ...

... French chemist Beguet de Chancourtois with his proposed variants of the table of chemical elements.

Portrait of the chemist Lothar Meyer with a diagram of the arrangement of chemical elements.

Cubes with symbols of chemical elements and a candelabra with candles are on the floor.

Division of elements into ...

... reduction of valence and change of groups by chemical properties (animation).

Mendeleev's calculations on a blank sheet, drawing up a new table (animation).

Graphic portrait of Mendeleev standing at the desk in the laboratory.

Playing cards.

Symbols of chemical elements on the backs of business cards.

Splitting ...

...

Portraits of Mendeleev, cards with the designations of chemical elements, arranged in groups.

One of the options for constructing elements in the table (animation).

The pianist's hands on the piano keys.

Cards with the designations of chemical elements, a portrait of Mendeleev.

The hands of a pianist ...

... symbols of chemical elements (combined shooting, animation).

Apples falling into the water.

Billiard balls with the designations of chemical elements.

Variants of the arrangement of chemical elements.

The arrangement of playing cards by seniority.

Cards with the designations of chemical elements.

The ...

... The table of chemical elements, rewritten by Mendeleev in ascending order of atomic weights.

The arrangement of cards with the designations of chemical elements in the Periodic Table of Mendeleev, the division of elements into metals and non-metals (animation).

Fragments of sculptures and openwork railings ...

... Mendeleev.

Model of the atom, built by Niels Bohr, portrait of N. Bohr.

A rotating table.

Designation of the number of electrons in the shells of atoms of chemical elements in different periods (animation).

View of the Periodic table.

Portrait of Mendeleev.

The book of F. Engels '"Dialectic of Nature".

Engels ...

The Iraqi ambassador in London denied using chemical weapons against the Kurds.

Belgium, Brussels - NATO defense ministers approve the plan of binary chemical weapons.

Belgium, Brussels - NATO defense ministers approve the plan of binary chemical weapons.

Switzerland, Geneva - UN Conference on Disarmament on the limitation of chemical weapons.