Chemistry, asked by kamleshkushwaha, 1 year ago

Why could no fix position be given to hydrogen in Mandeleev periodic table

Answers

Answered by Anonymous
97
Now also in the modern periodic table the place of hydrogen is not fixed because the hydrogen have both types of characters is acts as metal and non metal too so scientist cannot define it's fix position and when the Mendleev formed his periodic table he classified elements according to atomic masses so all the isotopes of an element should be given different positions but the isotopes were not given different positions.

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Anonymous: I liked ur ans.
Anonymous: thx
Anonymous: shatakshimaurya
apurvapawar333: Its position is fixed now
apurvapawar333: It has valency 1 so it can be put in 17 grp but it does not belong to halogen series so it is kept in grp 1 of modern periodic table
Answered by Anonymous
59
The position of hydrogen is unsatisfactory in Mendeleev's periodic table.
It was placed with Cu, Ag Au ,etc.
Hydrogen is a metal which shows resemblance with halogenslike Cl, F, etc and with alkali metalslike Na, K, etc.
That is why no fixed position was given to hydrogen in Mendeleev's periodic table.
Hope it helps u..
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