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Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H 2, sometimes called dihydrogen, but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
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Hydrogen | H2 | CID 783 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
The molecular formula of Hydrogen is H 2. What Is The Formula Of Hydrogen? It is a colourless, diatomic gas which is tasteless and odourless compound. Its atomic number is 1. Apart from H1 isotope, hydrogen occurs as Deuterium (stable isotope) and radioactive isotope Tritium (unstable).
- −252.879 °C
- 0.08988 g/L
- H 2
- 2.016 g/mol
Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2, sometimes called dihydrogen, but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
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C p ° = A + B*t + C*t 2 + D*t 3 + E/t 2. H° − H° 298.15 = A*t + B*t 2 /2 + C*t 3 /3 + D*t 4 /4 − E/t + F − H. S° = A*ln (t) + B*t + C*t 2 /2 + D*t 3 /3 − E/ (2*t 2) + G. C p = heat capacity (J/mol*K) H° = standard enthalpy (kJ/mol) S° = standard entropy (J/mol*K) t = temperature (K) / 1000.
- What Is Hydrogen?
- Properties of Hydrogen
- Properties of Hydrogen Gas
- Preparation Formula
- Uses of Hydrogen Gas
Hydrogen, symbol H, molecular formula H2 is a colorless, odorless, tasteless, flammable gaseous chemical substance in the periodic table. In chemistry or chemical science, the hydrogen atom is the only member of the chemical elementin which the valence electron is under the direct influence of the nucleus. It bearing one unit of positive and negati...
Due to its unique characteristics and properties, hydrogen (H) forms chemical compounds or molecules with nearly every periodic table element. The normal oxidation number or state of hydrogen in chemical compounds is +1 but highly electropositive metals (alkaline and alkaline earth), show a −1 oxidation state.
The chemistry of hydrogen has late gained. It uses as an alternative source of energy in the near future (fuel cells) due to the huge stock of H2in the earth’s surface water molecules. The molecule is a very stable species, at 2000°K and 1-atmosphere pressure, only one percent of atomic hydrogen is present in the gas molecules. Therefore, these fac...
Hydrogen is prepared 1. by the action of metals on water and acids 2. by the electrolysis of water 3. the reforming hydrocarbon by the stream. It is also obtained as a byproduct in the electrolytic manufacture of caustic potash from brine.
H2is used for the manufacture of chemicals like ammonia, hydrochloric acid, alcohols (methanol), aldehyde (formaldehyde), etc.The atomic, molecular, and liquid form is also used in fuel cells (hydrogen-oxygen fuel), hydrogenation of oils, welding atomic torches, reduction of metal ores, and propulsion of rocket (in Saturn...In bubble chambers, it is used for the study of high-energy particles.Hydrogen (H) Hydrogen is the 1st element in the periodic table and has a symbol of H and atomic number of 1. It has an atomic weight of 1.008 and a mass number of 1. Hydrogen has one proton and zero neutrons in its nucleus, and one electron in one shell. It is located in group one, period one and block s of the periodic table.
