Chemical Properties of Hydrogen

Group1Melting point−259.16°C, −434.49°F, 13.99 K
Period1Boiling point−252.879°C, −423.182°F, 20.271 K
BlocksDensity (g cm−3)0.000082
Atomic number1Relative atomic mass1.008
State at 20°CGasKey isotopes1H, 2H
Electron configuration1s1CAS number133-74-0
ChemSpider ID4515072ChemSpider is a free chemical structure database

Physical Properties Of Hydrogen

  • It is a colourless and odourless gas having the lowest density of all gases. It is viewed as the future’s clean fuel because it is formed from water and returns to water when oxidised.
  • It is found in water and practically all living organisms’ molecules. It is still linked to carbon and oxygen atoms. It is claimed to be the most plentiful element in the universe.
  • It is present in the atmosphere as a gas in one part per million volumes. Hydrogen is clean, non-toxic, and safe to create, transport, and store in vast quantities from numerous sources.
  • It is called an energy carrier because it stores energy that was created somewhere else initially.
  • This element was created artificially in the 16th century. It was given the name hydrogen, which means ‘water-former’ in Greek.

What is Hydrogen?

  • To begin the tour of the periodic table of elements, the first element encountered is hydrogen, which has the molecular symbol H. It is the first and most fundamental element in the universe. It is also the lightest element in the periodic table, accounting for 90% of all atoms in the universe.
  • The name hydrogen is given by the chemist Lavoisier. It was named after the Greek word “hydro,” which means “water.” Lavoisier recognised it was present in every water molecule.

Uses of Hydrogen

  • The most important application of hydrogen is in the production of ammonia.
  • The catalytic hydrogenation of vegetable oils to remove solid fat consumes a significant amount of hydrogen.
  • It is also used as a rocket fuel when coupled with oxygen, and nuclear energy uses it as a rocket propellant.
  • Hydrogen is used in internal combustion engines as a fuel.
Related Elements

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