Helium (He, pronounced /ˈhiːliəm/) is a colorless, odorless, tasteless, non-toxic.
Helium is chemical and often produced to fill balloons. There are not many producers of helium in the world, thats why helium becomes more and more expansive. helium is one of the so-called noble gases. Helium gas is an unreactive, colourless, and odourless monoatomic gas. Helium is available in pressurised tanks. Helium is the second most abundant element in the universe after hydrogen. α particles are doubly ionised helium atoms, He2+.
Helium’s Name in Other Languages
- Latin: Helium
- Czech: Helium
- Croatian: Helij
- French: Hélium
- German: Helium – s
- Italian: Elio
- Norwegian: Helium
- Portuguese: Hélio
- Spanish: Helio
- Swedish: Helium
Although helium is one of the most abundant elements in the universe, most of it exists outside of Earth’s atmosphere. Helium wasn’t discovered until 1868, when French astronomer Pierre Janssen and English astronomer Sir Joseph Lockyer were independently studying an eclipse of the Sun. Using spectrometers, which separate light into different bands of color depending on the elements present, they both observed a band of yellow light that could not be identified with any known element. News of their findings reached the scientific world on the same day, and both men are generally credited with the discovery. Lockyer suggested the name helium for the new element, derived from the Greek word helios for the sun.
Helium is usually produced as a byproduct of natural gas processing. Natural gas contains methane and other hydrocarbons, which are the principal sources of heat energy when natural gas is burned. Most natural gas deposits also contain smaller quantities of nitrogen, water vapor, carbon dioxide, helium, and other non-combustible materials, which lower the potential heat energy of the gas. In order to produce natural gas with an acceptable level of heat energy, these impurities must be removed. This process is called upgrading.
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