The tenth element in the Newland's periodic classification resembles the
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Atomic number of which of the following elements is greater than that of Magnesium
Which among the following has highest electron affinity?
Magnetite is an ore/mineral of
Atomic explosion is triggered by
Inert gases are
Which one of the following triad represents Dobereiner's Triad?
Oxide of which of the following will turn red litmus blue?