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- Definition of the noun chemical element
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Definition of the noun chemical element
What does chemical element mean as a name of something?
- any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
- lexical domain: Substances - nouns denoting substances
- synonym of chemical element: element
- more generic word: substance = the real physical matter of which a person or thing consists
- more specific terms:
- allotrope = a structurally different form of an element
- transuranic element = any element having an atomic number greater than 92
- inert gas / noble gas / argonon = any of the chemically inert gaseous elements of the helium group in the periodic table
- metallic element / metal = any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
- nonmetal = a chemical element lacking typical metallic properties
- transactinide = any of the artificially produced elements with atomic numbers greater than 103
- atomic number 89 / actinium / Ac = a radioactive element of the actinide series
- atomic number 18 / argon / Ar = a colorless and odorless inert gas; one of the six inert gases
- atomic number 33 / arsenic / As = a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys
- atomic number 85 / astatine / At = a highly unstable radioactive element
- atomic number 107 / element 107 / bohrium / Bh = a transuranic element
- atomic number 5 / boron / B = a trivalent metalloid element
- atomic number 35 / bromine / Br = a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens
- atomic number 6 / carbon / C = an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond
- atomic number 17 / chlorine / Cl = a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant
- atomic number 110 / darmstadtium / element 110 / Ds = a radioactive transuranic element
- atomic number 105 / element 105 / dubnium / hahnium / Db = a transuranic element
- atomic number 9 / fluorine / F = a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent
- atomic number 32 / germanium / Ge = a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors
- atomic number 108 / element 108 / hassium / Hs = a radioactive transuranic element
- atomic number 2 / helium / He = a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy
- atomic number 1 / hydrogen / H = a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas
- atomic number 53 / iodine / iodin / I = a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes
- atomic number 36 / krypton / Kr = a colorless element that is one of the six inert gasses
- atomic number 103 / lawrencium / Lr = a radioactive transuranic element synthesized from californium
- atomic number 109 / element 109 / meitnerium / Mt = a radioactive transuranic element
- atomic number 101 / mendelevium / Md / Mv = a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles
- atomic number 10 / neon / Ne = a colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses
- atomic number 7 / nitrogen / N = a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume
- atomic number 102 / nobelium / No = a radioactive transuranic element synthesized by bombarding curium with carbon ions
- atomic number 8 / oxygen / O = a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume
- atomic number 15 / phosphorus / P = a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells
- atomic number 94 / plutonium / Pu = a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors
- atomic number 86 / radon / Rn = a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses
- atomic number 111 / element 111 / roentgenium / Rg = a radioactive transuranic element
- atomic number 104 / rutherfordium / unnilquadium / element 104 / Unq / Rf = a radioactive transuranic element which has been synthesized
- atomic number 106 / element 106 / seaborgium / Sg = a transuranic element
- atomic number 34 / selenium / Se = a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells
- atomic number 14 / silicon / Si = a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand
- atomic number 16 / sulphur / sulfur / S = an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals
- atomic number 52 / tellurium / Te = a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor
- atomic number 112 / element 112 / ununbium / Uub = a radioactive transuranic element
- atomic number 116 / element 116 / ununhexium / Uuh = a radioactive transuranic element
- atomic number 115 / element 115 / ununpentium / Uup = a radioactive transuranic element
- atomic number 114 / element 114 / ununquadium / Uuq = a radioactive transuranic element
- atomic number 113 / element 113 / ununtrium / Uut = a radioactive transuranic element
- atomic number 54 / xenon / Xe = a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
- trace element = an element that occurs at very small quantities in the body but is nonetheless important for many biological processes
- part: atom = the smallest component of an element having the chemical properties of the element
Alternative definition of the noun chemical element
- [chemistry] Any one of the simplest chemical substances that cannot be decomposed in a chemical reaction. Chemical elements consist of atoms which have the same number of protons.
- synonym: element
Printed dictionaries and other books with definitions for chemical element
Click on a title to look inside that book (if available):
Crossword Puzzle Dictionary (2015)
by Murali Mohan Hundigam
of metal—assay Chemical compound—oxide Chemical compounds commonly used in fertilisers—phosphate, potash, nitrate Chemical compound OH— hydroxide Chemical element used in safety matches—phosphorous Chemical element, ...
by Dean A. Stahl, Karen Landen
Chemical Element Symbols, Atomic Numbers, and Discovery Data.
by Michael Allaby, Chris Park
chemical element See element. chemical emergency An *emergency created by ...
A chemical element with atomic number 37. Rubidium was discovered in 1860 by Robert Bunsen and Gustav Kirchoff in the mineral lepidolite. The name rubidium is derived from rubidus, Latin for deep red coloured. Symbol: Rb. ru-the-ni-um ...
performed using an incident energy close to that of an absorption edge of a chemical element present in the sample. Under these conditions the atomic scattering factor of the element is modified by a factor (called the anomalous dispersion ...
Dictionary of Metals (2012)
by Harold M. Cobb
A chemical element having atomic number 25, atomic weight 55, and the symbol Mn. It was named for magnes, the Latin word for magnet, because of the magnetic properties of pyrolusite in which manganese was found. The element was ...
by Encyclopaedia Britannica, Inc
A chemical element is a basic substance. It cannot be broken down into simpler substances by ordinary chemical processes. Chemical elements are the building blocks for all matter—that is, everything that takes up space in the universe.
Dictionary of Energy (2009)
Expanded Edition by Cutler J. Cleveland, Christopher G. Morris
chemical element of a notable accident in 1957; the cooling system of a radioactive waste containment unit malfunctioned and exploded, releasing about two million curies and exposing a quarter of a million people to radiation. chemical ...
Encyclopedia of Physics (2009)
by Joe Rosen
For the same chemical element, the number of neutrons may vary without affecting the identity of the element. Versions of an element with different numbers of neutrons are called ISOTOPEs of that element.
A Popular Dictionary of Words and Terms Used in the Practice of Electric Engineering by Thomas O'Conor Sloane
Chatterjon's Compound, Chemical Change, Chemical Electric Meter, Chemical, Electro-, Equivalents Chemical Element, . Chemical Energy, Chemical Equivalent .
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"This article is about the chemical element" - Chlorine
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