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alimentation et cuisine

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chemistry
Chemistry is the study of the constitution of matter and its interactions; it has numerous applications, including biochemistry, electrochemistry and nuclear chemistry.

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chemistry symbols
Symbols that simplify the writing of the elements, formulas and chemical reactions.

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laboratory equipment
These materials are highly varied: measurement instruments, various containers, heat sources, experimentation materials and mounting hardware.

matter
Any substance that has mass, is composed of atoms and occupies space.


atom	neutron	molecule

states of matter	nuclear fission	heat transfer

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chemical elements
There are more than 110 chemical elements, most of which are naturally present in the universe. The others are created artificially in the laboratory.