What is it and where is it from?

H2 Power Consultancy - Hydrogen Learning Portal
Hydrogen - The fuel of the future, the fuel of today!


Hydrogen is the most abundant substance in the Universe constituting around 75% of all baryonic mass. Hydrogen is the first and lightest chemical element in the periodic table with symbol H and atomic number 1(H1).

Hydrogen exists naturally on Earth as a molecule. Most of the hydrogen on Earth exists in molecular forms such as water or organic compounds.


H2 is a gas which forms when two hydrogen atoms bond together and become a hydrogen molecule. Hydrogen is a diatomic gas (H2) and at normal temperature and pressure is colourless, odourless, tasteless, non-toxic and highly flammable.


The gas, what we know today as hydrogen, was first produced in the early 16th century by reacting metals with acids, but it was the Britain Henry Cavendish in the late 18th Century that first discovered the gas produced water when burned and, for this reason, the gas was named hydrogen meaning `water former` in Greek.


As our understanding of the benefits hydrogen brings to the emissions-free energy the world needs today, more and more countries, governments, and companies are investing in advancing the technologies required. Hydrogen is no longer just the `fuel of the future` and is becoming the greatest hope we have of safe air quality and reversing climate change.

H2Power Consultancy - Hydrogen Learning Portal
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