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element
(Encyclopedia) CE5 element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent elements by means o...oganesson
(Encyclopedia)oganesson ōˈgənĕsˌən [key], artificially produced radioactive chemical element; symbol Og; at. no. 118; mass number of most stable isotope 294; m.p., b.p., sp. gr., and valence unknown. Situated...livermorium
(Encyclopedia)livermorium, artificially produced radioactive chemical element; symbol Lv; at. no. 116; mass number of most stable isotope 292; m.p., b.p., sp. gr., and valence unknown. Situated in Group 16 of the p...synthetic elements
(Encyclopedia)synthetic elements, in chemistry, radioactive elements that were not discovered occurring in nature but as artificially produced isotopes. They are technetium (at. no. 43), which was the first element...tin
(Encyclopedia)tin, metallic chemical element; symbol Sn [Lat. stannum]; at. no. 50; at. wt. 118.710; m.p. 231.9681℃; b.p. 2,270℃; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits allotropy; abov...East Los Angeles
(Encyclopedia)East Los Angeles, uninc. city (2020 pop. 118,786), Los Angeles co., S Calif., a residential suburb of Los Angeles, in an industrial area. It has a large...Menominee, river, United States
(Encyclopedia)Menominee, river, 118 mi (190 km) long, formed by the union of the Brule and the Michigamme rivers above Iron Mountain, W Upper Peninsula, N Mich., and flowing SE into Green Bay at Menominee. It passe...Tomakomai
(Encyclopedia)Tomakomai tōmäˌkōˈmī [key], city (1990 pop. 160,118), Hokkaido prefecture, S Hokkaido, Japan, on the Pacific Ocean. It is a commercial port and the site of Japan's largest paper and newsprint in...Awe, Loch
(Encyclopedia)Awe, Loch lŏkh ô [key], lake, 25 mi (40 km) long, Argyll and Bute, W Scotland; 118 ft (36 m) above sea level. The hydroelectric power facility at Cruachan (completed 1967) has a 400,000-kW capacity....hallel
(Encyclopedia)hallel həlālˈ, hălˈĕl [key] [Heb.,=praise], in Judaism, Psalms 113 to 118, sung every morning of Hanukkah, at the Passover service, and at the morning service of most major Jewish holidays as an...Browse by Subject
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