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Melting and boiling points of alkaline earth metals. Li > Na > K > Rb > Cs > Fr > H. Lithium has the highest melting and boiling point while hydrogen has the lowest in IA group. Hydrogen exists as a gas at room temperature and francium is a liquid at room temperature. All other group IA materials are solids at room temperature.
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Environmental effects of Lithium. Metallic lithium will react with nitrogen oxygen and water vapor in air. Consequently the lithium surface becomes coated with a mixture of lithium hydroxide (LiOH) lithium carbonate (Li 2 CO3) and lithium nitride (Li 3 N). Lithium hydroxide represents a potentially significant hazard because it is
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Effects of prenatal marijuana exposure on child behavior problems at age 10. Neurotoxicol Teratol. 200022(3) . Richardson GA Ryan C Willford J Day NL Goldschmidt L. Prenatal alcohol and marijuana exposure effects on neuropsychological outcomes at 10 years.
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Lithium chemical element of Group 1 (Ia) in the periodic table the alkali metal group lightest of the solid elements. The metal itself—which is soft white and lustrous—and several of its alloys and compounds are produced on an industrial scale. Learn more about the occurrence and uses of lithium.
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Lithium chemical element of Group 1 (Ia) in the periodic table the alkali metal group lightest of the solid elements. The metal itself—which is soft white and lustrous—and several of its alloys and compounds are produced on an industrial scale. Learn more about the occurrence and uses of lithium.
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Circa 150–160 Myr of slab heating required for a stagnant slab to become negatively buoyant. The basaltic crust becomes buoyant after a short period of heating ( c. 4 Myr) at the 660-km discontinuity. The P-T history of mineral equilibria are conducive to the 660
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Gold is widely distributes on the earth at a background level of 0.03 g/1000 kg (0.03 ppm by weight). Its interness and its high density causes it to concentrate in streambeds either in small flakes or in larger nuggets from which it may be recovered by panning.
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Key Points. Drought vulnerability and risk of reductions in global terrestrial gross primary productivity (GPP) were assessed using a remote-sensing process-based model. High risk located in southeastern United States southern Europe most of South America
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Melting and boiling points of alkaline earth metals. Li > Na > K > Rb > Cs > Fr > H. Lithium has the highest melting and boiling point while hydrogen has the lowest in IA group. Hydrogen exists as a gas at room temperature and francium is a liquid at room temperature. All other group IA materials are solids at room temperature.
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Lithium is a very soft silvery metal. It has a melting point of 180.54°C (356.97°F) and a boiling point of about 1 335°C (2 435°F). Its density is 0.534 grams per cubic centimeter. By comparison the density of water is 1.000 grams per cubic centimeter. Lithium s hardness on the Mohs scale is 0.6.
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