Navneord på engelsk der begynder med A

• atomic number 105 — Navneord – Engelsk ～ a transuranic element
• atomic number 32 — Navneord – Engelsk ～ a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
• atomic number 6 — Navneord – Engelsk ～ an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
• atomic number 95 — Navneord – Engelsk ～ a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
• atomic number 116 — Navneord – Engelsk ～ a radioactive transuranic element
• atomic number 20 — Navneord – Engelsk ～ a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
• atomic number 111 — Navneord – Engelsk ～ a radioactive transuranic element
• atomic number 110 — Navneord – Engelsk ～ a radioactive transuranic element
• atomic number 97 — Navneord – Engelsk ～ a radioactive transuranic element; discovered by bombarding americium with helium
• atomic number 58 — Navneord – Engelsk ～ a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
• atomic number 68 — Navneord – Engelsk ～ a trivalent metallic element of the rare earth group; occurs with yttrium
• atomic number 55 — Navneord – Engelsk ～ a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
• atomic number 33 — Navneord – Engelsk ～ a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
• atomic number 98 — Navneord – Engelsk ～ a radioactive transuranic element; discovered by bombarding curium with alpha particles
• atomic number — Navneord – Engelsk ～ the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element
• atomic number 86 — Navneord – Engelsk ～ a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
• atomic number 38 — Navneord – Engelsk ～ a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
• atomic number 22 — Navneord – Engelsk ～ a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
• atomic number 114 — Navneord – Engelsk ～ a radioactive transuranic element
• atomic number 83 — Navneord – Engelsk ～ a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals

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