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Hydrogen and noble gases are present in which group of the Mendeleev's periodic table?

Asked by Topperlearning User 14th August 2014, 3:35 PM
Answered by Expert
Answer:

In Mendeleev's periodic table the position of hydrogen was not certain. It was placed in first as well as eighth group as it resembles both alkali metals and halogens.

Answered by Expert 14th August 2014, 5:35 PM
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