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roentgenium
(Encyclopedia) roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass number of most stable isotope 280; m.p., b.p., sp. gr., and valence unknown. Situated in…thallium
(Encyclopedia) thalliumthalliumthălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20…Great Mother Goddess
(Encyclopedia) Great Mother Goddess, in ancient Middle Eastern religions, mother goddess, the great symbol of the earth's fertility. She was worshiped under many names and attributes. Similar figures…tellurium
(Encyclopedia) telluriumtelluriumtĕl&oobreve;rˈēəm [key] [Lat.,=earth], semimetallic chemical element; symbol Te; at. no. 52; at. wt. 127.60; m.p. 450℃; b.p. 990℃; sp. gr. 6.24 at 20℃; valence −2…Moseley, Henry Gwyn Jeffreys
(Encyclopedia) Moseley, Henry Gwyn JeffreysMoseley, Henry Gwyn Jeffreysmōzˈlē [key], 1887–1915, English physicist, grad. Trinity College, Oxford, 1910. He began his research under Ernest Rutherford…asthma
(Encyclopedia) asthmaasthmaăzˈmə, ăsˈ– [key], chronic inflammatory respiratory disease characterized by periodic attacks of wheezing, shortness of breath, and a tight feeling in the chest. A cough…meitnerium
(Encyclopedia) meitneriummeitneriummītnĭrˈēəm [key], artificially produced radioactive chemical element; symbol Mt; at. no. 109; mass number of most stable isotope 276; m.p., b.p., sp. gr., and…nobelium
(Encyclopedia) nobeliumnobeliumnōbēˈlēəm [key], artificially produced radioactive chemical element; symbol No; at. no. 102; mass no. of most stable isotope 259; m.p. 827℃; b.p. and density unknown;…inert gas
(Encyclopedia) inert gas or noble gas, any of the elements in Group 18 of the periodic table. In order of increasing atomic number they are: helium, neon, argon, krypton, xenon, and radon. They are…Deluge
(Encyclopedia) DelugeDelugedĕlˈy&oomacr;j [key], in the Bible, the overwhelming flood that covered the earth and destroyed every living thing except the family of Noah and the creatures in his…Trending
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