what is helium????.......
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Helium is a chemical element with 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 a Noble gas.
• It is the second element of the periodic table (Period 1, Group 18)
• It has the symbol He and atomic number 2.
• It is a colorless, odorless, tasteless, non-toxic, inert, monoatomic gas.
• Its boiling point is the lowest among all the elements.
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