Helium |
| Chemical element of symbol He, belonging to group 18 of the periodic table, of atomic number 2 and atomic mass 4.0026. It is the second most abundant element in the universe. It appears as a colorless, odorless and tasteless monatomic gas. It is very light and the most difficult element to liquefy. Subcooled liquid helium presents the phenomenon of superfluidity and a multiplied thermal conductivity. Chemically it is an inert element, the least reactive of all noble gases. |
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Glossary of Chemistry in alphabetical order |
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A B C D E F G H I J K L M N Ñ O P Q R S T U V W X Y Z
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Chemical Glossary Terms by character HHafniumHalogensHalurosHardness.HassioHeavy waterHeliumHeptaneHeterogeneous catalysis.Heterogeneous.HolmioHomonuclear linkHormoneHotHybridizationHydrateHydrationHydrideHydridesHydrocarbonsHydrochloric acidHydrocyanic acidHydrofluoric acid (fluoride + hydroxide)HydrogenHydrogen bridge linkHydrogenationHydrolysisHydroxide (hydro- + oxide).Hydroxyl (hydro- + oxy- + -yl). |
Al estudiar química adquirirás diversos conocimientos que te ayudaran a comprender mejor el mundo que nos rodea, la gran mayoría de todo lo que nos rodea se encuentran relacionados con esta ciencia, la industria alimentaria es un buen ejemplo donde esta ciencia se encuentra vinculada directamente...
