Information and communication technologies are technologies designed for joint implementation of information and communication processes.
Informing society is an objective process related to increasing the role of intellectual activity in all aspects of human life.
Internal factors are the types of information, its properties, performing various actions with information, its aggregation, transmission, storage, etc.
External factors mean the implementation of various tasks with information through technical and hardware means of information technology.
Multimedia is the interaction of visual and audio effects under the control of interactive software using modern technical and software tools, which combine text, sound, graphics, photos, videos in one digital image.
Hypermedia are computer files linked by hypertext links to move between multimedia objects.
A molecule is the smallest particle that retains the chemical properties of a certain substance.
A chemical element is any particular type of atom. (type of atoms with equal nuclear charges).
A substance is a piece of matter that has its own mass and consists of elementary particles.
Inorganic chemistry is the chemistry of elements and substances formed by them in the periodic system.
General chemistry - the basis of the system of chemical compounds.
Chemical reactions are the process of changing the chemical structure and composition of one substance to another.
An isotope is a different form of a chemical element that differs in atomic mass.
Mass defect is a small difference between the mass of the nucleus and the sum of the masses of protons and neutrons in the nucleus.
Atomic mass is the average value of an atom of a chemical element expressed in the atomic mass unit.
Molecular mass is the mass of a molecule expressed in atomic mass units.
The atomic mass unit is 1/12 of an atom of the 126C isotope of carbon.
A chemical compound is a type of substance with a constant or variable composition, a specific chemical quality or crystal structure, consisting of one or more elements.
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