Name the element having smallest atomic size.
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hydrogen has the smallest size of atom
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Hydrogen is the smallest element and it is having the smallest atomic size.
Because hydrogen has one proton in the nucleus and one electron revolving around the nucleus.
• The atomic size of the hydrogen is 53pm. The mass of the electrons is less than the protons in hydrogen.
• Hydrogen is a colorless, odorless, and tasteless element. The molecular formula of hydrogen is H2 and it is the weightless element.
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