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Hydrogen fluoride does not boil until 20 °C in contrast to the heavier hydrogen halides, which boil between −85 °C (−120 °F) and −35 °C (−30 °F). [6] [7] [8] This hydrogen bonding between HF molecules gives rise to high viscosity in the liquid phase and lower than expected pressure in the gas phase.
Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
Hydrogen bonding amongst HF molecules gives rise to high viscosity in the liquid phase and lower than expected pressure in the gas phase. Hydrogen fluoride does not boil until 20 °C in contrast to the heavier hydrogen halides which boil between −85 °C and −35 °C (−120 °F and –30 °F).
Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3 ; it is usually shown at the foot of the table to save horizontal space.
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Blue type items have an article available by clicking on the name. Name Formula Boiling pt (°C) ... Hydrogen: H 2: −252.879 −259.16 2 ... Hydrogen fluoride: HF ...
Hydrogen fluoride, HF, a diatomic compound which can dissolve in water to form hydrofluoric acid, a highly corrosive solution Hydrofluoric acid , HF (aq) , a solution of hydrogen fluoride (HF) in water
Hydrogen cyanide – HCN; Hydrogen fluoride – HF; Hydrogen peroxide – H 2 O 2; Hydrogen selenide – H 2 Se; Hydrogen sulfide – H 2 S; Hydrogen telluride – H 2 Te; Hydroxylamine – NH 2 OH; Hypobromous acid – HBrO; Hypochlorous acid – HClO; Hypophosphorous acid – H 3 PO 2; Metaphosphoric acid – HPO 3; Protonated molecular ...