he

27 maja, 2023 by admin0
Zrzut ekranu 2023-05-27 o 14.24.07.png

hehe

He is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, and inert gas that heads the noble gas group in the periodic table. Its boiling and melting points are among the lowest of all elements and it exists only as a gas except in extreme conditions.

Helium was first discovered in 1868 by French astronomer Jules Janssen during a solar eclipse. It was later named after the Greek god of the sun, Helios.

Helium has many important uses including being used as a coolant for nuclear reactors and MRI machines due to its low reactivity. It is also used to fill balloons because it is lighter than air and does not burn or explode.

Despite its many uses, helium is actually quite rare on Earth. Most of it comes from natural gas deposits where it can be extracted through liquefaction or separation methods.

Overall, helium may seem like an unremarkable element but its unique properties make it essential for many modern technologies.


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