| Term/concept | Concept submitter |
actinium  attinio A radioactive element of the actinide series; found in uranium ores | |
| aluminum alluminio A silvery ductile metallic element found primarily in bauxite | |
| americium americio A radioactive transuranic metallic element; discovered by bombarding urani... | |
| antimony antimonio A metallic element having four allotropic forms; used in a wide variety of... | |
| argon ARGO A colorless and odorless inert gas; one of the six inert gases; comprises... | |
| arsenic arsenico A very poisonous metallic element that has three allotropic forms; arsenic... | |
| barium bario A soft silvery metallic element of the alkali earth group; found in barite | |
| beryllium berillio A light strong brittle gray toxic bivalent metallic element | |
| boron boro A trivalent metalloid element; occurs both in a hard black crystal and in ... | |
| bromine bromo A nonmetallic largely pentavalent heavy volatile corrosive dark brown liqui... | |
| cadmium cadmio A soft bluish-white ductile malleable toxic bivalent metallic element; occ... | |
| calcium calcio A white metallic element that burns with a brilliant light; the fifth most... | |
| carbon carbonio An abundant nonmetallic tetravalent element occurring in three allotropic f... | |
| cesium cesio A soft silver-white ductile metallic element (liquid at normal temperatures... | |
| chlorine cloro A common nonmetallic element belonging to the halogens; best known as a he... | |
| chromium cromo A hard brittle blue-white multivalent metallic element; resistant to corro... | |
| cobalt cobalto A hard ferromagnetic silver-white bivalent or trivalent metallic element; ... | |
| copper rame A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic ... | |
| fluorine fluoro A nonmetallic univalent element belonging to the halogens; usually a yello... | |
| gallium gallio A rare silvery (usually trivalent) metallic element; brittle at low temper... | |
