write a note on : position of hydrogen in morden periodic table.
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Position of Hydrogen
Hydrogen is the first element in the periodic table.
It is the lightest element known.
It atomic form exists only at high temperature.
It exist as a diatomic molecule i.e. H2 . That is why it is also called dihydrogen.
It was discovered by Henry Cavendish in 1766.
Its electronic configuration is 1s1..
Hope it will helps you...☺
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