This site uses cookies. Some of these cookies are essential to the operation of the site, while others help to improve your experience by providing insights into how the site is being used. For more information, please see the ProZ.com privacy policy.
Cookie settings

Translation glossary: Chemitry II

Creator:
Laerte da Silva
Laerte da Silva
Filter
Reset
Showing entries 401-450 of 591
« Prev Next »
 
nitratea compound that includes nitrogen and oxygen and contains more oxygen than a nitrite. Nitrate ions have the chemical formula NO3-. Examples: sodium ni 
angielski
nitritea compound that includes nitrogen and oxygen and contains less oxygen than a nitrate. Nitrite ions have the chemical formula NO2-. Example: sodium nit 
angielski
nmAn abbreviation for nano-meters. A nano-meter is equal to 10-9 meters. 
angielski
noble gasesthe members of Group 8 of the Periodic Table: helium, neon, argon, krypton, xenon, radon. These gases are almost entirely unreactive. 
angielski
noble metalssilver, gold, platinum and mercury. These are the least reactive metals. 
angielski
non-combustiblea substance that will not combust or burn. Example: carbon dioxide. 
angielski
non-metala brittle substance that does not conduct electricity. Examples: sulphur, phosphorus, all gases. 
angielski
normal saltsalts that do not contain a hydroxide (OH-) ion, which would make them basic salts, or a hydrogen ion, which would make them acid salts. Example: sodi 
angielski
NucleusCollection of subatomic particles found in the center of an atom. Positively charged. O 
angielski
nucleusthe small, positively charged particle at the centre of an atom. The nucleus is responsible for most of the mass of an atom. 
angielski
octetIn Lewis structures the goal is to make almost all atoms have an octet. This means that they will have access to 8 electrons regularly, even if they d 
angielski
opaquea substance that will not transmit light so that it is impossible to see through it. Most solids are opaque. 
angielski
OrbitalRepresentation of electron cloud. See \"atomic\" and \"molecular\" orbital. 
angielski
orbitalsAn energy state in the atomic model which describes where an electron will likely be. 
angielski
orea rock containing enough of a useful substance to make mining it worthwhile. Example: bauxite, aluminium ore. 
angielski
OrganicIn chemistry, a compound containing carbon. P 
angielski
organic acidan acid containing carbon and hydrogen. Example: methanoic (formic) acid (HCOOH). 
angielski
organic chemistrythe study of organic compounds. organic compound (organic substance; organic material) a compound (or substance) that contains carbon and usually hydr 
angielski
organic solventan organic substance that will dissolve other substances. Example: carbon tetrachloride (CCl4). 
angielski
osmosisa process whereby molecules of a liquid solvent move through a semipermeable membrane from a region of low concentration of a solute to a region with 
angielski
oxidationcombination with oxygen or a reaction in which an atom, ion or molecule loses electrons to an oxidising agent. (Note that an oxidising agent does not 
angielski
oxidation numberA number assigned to each atom to help keep track of the electrons during a redox-reaction. 
angielski
oxidation number (oxidation state)|oxidation numberthe effective charge on an atom in a compound. An increase in oxidation number corresponds to oxidation, and a decrease to reduction. Shown in Roman n 
angielski
oxidation reactionA reaction where a substance loses electrons 
angielski
oxidea compound that includes oxygen and one other element. Example: copper oxide (CuO). 
angielski
oxidiseto combine with or gain oxygen or to react such that an atom, ion or molecule loses electrons to an oxidising agent. 
angielski
oxidising agenta substance that removes electrons from another substance being oxidised (and therefore is itself reduced) in a redox reaction. Example: chlorine (Cl2 
angielski
oxyacidWhen one or more hydroxide (OH) groups are bonded to a central atom. 
angielski
ozonea form of oxygen whose molecules contain three atoms of oxygen. Ozone is regarded as a beneficial gas when high in the atmosphere because it blocks ul 
angielski
p orbitals gives an sp hybrid orbital.Hybridization When orbitals combine to form bonds which are not exactly one shape or the other. 
angielski
parent isotopeAn element that undergoes nuclear decay. 
angielski
partial pressurethe pressure a gas in a mixture would exert if it alone occupied a flask. Example: oxygen makes up about a fifth of the atmosphere. Its partial pressu 
angielski
partial pressuresThe pressure exerted by a certain gas in a mixture. 
angielski
particleSmall portion of matter 
angielski
pascalthe unit of pressure, equal to one newton per square metre of surface. 
angielski
patinaa surface coating that develops on metals and protects them from further corrosion. Example: the green coating of copper carbonate that forms on coppe 
angielski
percent compositionExpresses the weight ratio between different elements in a compound. 
angielski
percolateto move slowly through the pores of a rock. 
angielski
perioda row in the Periodic Table. 
angielski
Periodic Tablea chart organising elements by atomic number and chemical properties into groups and periods. 
angielski
periodic tableGrouping of the known elements by their number of protons. There are many other trends such as size of elements and electronegativity that are easily 
angielski
pestle and mortara pestle is a ceramic rod with a rounded end, a mortar is a ceramic dish. Pestle and mortar are used together to pound or grind solids into fine powde 
angielski
Petri disha shallow glass or plastic dish with a lid. 
angielski
petroleuma natural mixture of a range of gases, liquids and solids derived from the decomposed remains of plants and animals. 
angielski
pHa measure of the hydrogen ion concentration in a liquid. Neutral is pH 7.0; numbers greater than this are alkaline; smaller numbers are acidic. 
angielski
pH metera device that accurately measures the pH of a solution. A pH meter is a voltmeter that measures the electric potential difference between two electrod 
angielski
PhaseOne of the three normal states of matter, solid, liquid, or gas, depending on the level of organization between particles. 
angielski
phasea particular state of matter. A substance may exist as a solid, liquid or gas and may change between these phases with addition or removal of energy. 
angielski
phosphorany material that glows when energised by ultraviolet or electron beams, such as in fluorescent tubes and cathode ray tubes. Phosphors, such as phosph 
angielski
photochemical smogphotochemical reactions are caused by the energy of sunlight. Photochemical smog is a mixture of tiny particles and a brown haze caused by the reactio 
angielski
« Prev Next »

Public glossaries

My glossaries

Close search
All of ProZ.com
  • All of ProZ.com
  • Szukaj terminu
  • Praca
  • Forum
  • Multiple search