Sodium

Chemical element of symbol Na, belonging to group 1 of the periodic table, of atomic number 11 and atomic mass 22,989. It appears as a silvery white metal, very soft and malleable. It is used in the manufacture of discharge lamps, in organic and inorganic synthesis, as a reducing agent, in the metallurgy of titanium, in the production of detergents, fertilizers and dyes.

Sodio Sodium

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Chemical Glossary Terms

Chemical Terms begining with S

Saccharose

Disaccharide formed by glucose and fructose, also known as cane sugar. It abounds in the vegetable k...

Salt

Chemical compound formed by the union of one or more types of anions with one or several types of ca...

Samarium

Chemical element of symbol Sm, belonging to the series of the lanthanides, of atomic number 62 and a...

Saponification

Reaction of basic hydrolysis of an ester to produce an alcohol and an alkaline salt of the acid. The...

Saturation.

State of a solution in which a quantity of solute has been dissolved equal to the maximum amount tha...

Seaborgio

Chemical element of symbol Sg, belonging to group 6 of the periodic table, of atomic number 106. It ...

Sedimentation

Slow process of precipitation by gravitational effect of solid substances that are suspended inside ...

Selenium

Chemical element of symbol Se, belonging to group 16 of the periodic table, of atomic number 34 and ...

Semiconductor

Substance that has an intermediate conductivity between that of a conductive metal and that of a non...

Semimetals

Set of chemical elements that have intermediate properties between those of metals and those of nonm...

Semipila

Each of the two parts of which an electrochemical cell is formed, wherein the oxidation or reduction...

Redox half-reaction

Each of the redox reactions that takes place in the semipils, a half-reaction is represented by a se...

Serina

Amino acid that has a hydroxyl group in its side chain, which contributes to its polarity. HO-CH2-CH...

Silicon

Chemical element of symbol Si, belonging to group 14 of the periodic table, of atomic number 14 and ...

Silicones

Substance that contains silicon and alkyl or aryl radicals. The union between both components is don...

Synthesis

Chemical reaction that takes place between simple elements or substances and that allows obtaining m...

System

Particular portion of the universe that is going to be studied, these can be open or closed

Crystal system.

Type of packaging of the atoms of a substance in the solid state, according to one of the crystallin...

Oversaturation

State of a solution that has dissolved a quantity of solute greater than the maximum amount that can...

Sodium

Chemical element of symbol Na, belonging to group 1 of the periodic table, of atomic number 11 and a...

Solid

Substance characterized by having a state of aggregation of its compact and ordered particles, such ...

Solubility

Maximum amount of solute that can be dissolved in a given amount of solvent at a certain temperature...

Solution

Homogeneous mixture of two or more components. When it is only formed by two components (a solute an...

Standard solution

Exactly known concentration solution that is used in a titration process to determine the concentrat...

Regulatory solution

Solution that has the property of keeping its pH more or less constant when moderate amounts of stro...

Soluto

Components of a solution that is arbitrarily considered to be present in it in smaller quantities. S...

Solvation

Interaction process between a polar solvent and an ionic or polar solute. The solvent molecules elec...

Solvent

Component of a solution that arbitrarily is considered present in it in greater quantity. In aqueous...

Spin

Rotation of the electron around its own axis. When rotating, the electron generates a small magnetic...

Subindexes

Whole numbers that appear in the chemical formula of a compound and indicate the relative number of ...

Sublimation

Change of state in which a substance passes directly from solid to gas, without passing through a li...

Sub-level of energy

At one energy level there may be more than one characteristic energy state for the electron. It is r...

Sulfates

Chemical compounds derived from sulfuric acid by replacing hydrogen atoms with cations.

Sulfites

Chemical compounds derived from sulfurous acid by loss of hydrogen atoms and substitution by cations...

Sulfides

Chemical compounds derived from hydrogen sulfide by replacing hydrogen atoms with cations. The ionic...

Suspension

Colloidal dispersion of solid particles in a liquid. The suspended particles are visible with a magn...

Substance

Part of pure matter of chemical composition defined and impossible to separate by physical methods. ...

Substratum

Active chemical compound capable of producing a chemical reaction. In reactions with catalyst, the s...

Sodium

Chemical Glossary Terms

Chemical Terms begining with S

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