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2. List of states of matter - Wikipedia

   en.wikipedia.org/wiki/List_of_states_of_matter

   Supercritical fluid: A fluid with properties intermediate of liquids and gasses. At sufficiently high temperatures and pressures, the distinction between liquid and gas disappears, resulting in supercritical fluids. Plasma: Unlike gases, which are composed of neutral atoms, plasma contains a significant number of free electrons and ionized atoms.

3. Glossary of chemistry terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_chemistry_terms

   Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...

4. Matter - Wikipedia

   en.wikipedia.org/wiki/Matter

   Matter is a general term describing any physical substance, which is sometimes defined in incompatible ways in different fields of science. Some definitions are based on historical usage from a time when there was no reason to distinguish mass from simply a quantity of matter.

5. Third law of thermodynamics - Wikipedia

   en.wikipedia.org/wiki/Third_law_of_thermodynamics

   In the limit T 0 → 0 this expression diverges, again contradicting the third law of thermodynamics. The conflict is resolved as follows: At a certain temperature the quantum nature of matter starts to dominate the behavior. Fermi particles follow Fermi–Dirac statistics and Bose particles follow Bose–Einstein statistics. In both cases the ...

6. Period 3 element - Wikipedia

   en.wikipedia.org/wiki/Period_3_element

   A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases: a new row is begun when chemical behavior begins to repeat, meaning that elements with similar behavior fall into ...

7. Tracing paper - Wikipedia

   en.wikipedia.org/wiki/Tracing_paper

   When tracing paper is placed onto a picture, the picture is easily visible through the paper. Thus, it becomes easy to find edges in the picture and trace the image onto the tracing paper. Pure cellulose fiber is translucent, and it is the air trapped between fibers that makes paper opaque and look white. [3]