what are the hiliyam
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Helium is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.
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helium is noble gas that doesn't react with any other elements, compunds, or don't take part in any other reaction
it has 2 electrons and 2 valence electrons
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