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Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Hydrogen
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The lightest element in the periodic table is

$\begin{array}{1 1}(a)\;\text{Lithium}\\(b)\;\text{Flurine}\\(c)\;\text{Hydrogen}\\(d)\;\text{Helium}\end{array}$

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Hydrogen mass no is 1
Hence (c) is the correct answer.
answered Jan 22, 2014 by sreemathi.v
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