What Is The Ionization Energy Of Helium?

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Helium was discovered in the year 1895, is present with a symbol of He and it belongs to the group called Nobel Gas. The atomic weight is 4.00260.helium is a colorless, odorless, a non toxic, tasteless noble gas in the periodic table. The atomic number of helium is 2.

The first ionization energy helium is 2372.3 kJ/mole and 2nd ionization energy is 5250.3 kJ/mole.  

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