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Grade: 12

                        

Why is Hydrogen placed in group I of the modern periodic table ?

2 months ago

Answers : (2)

Vikas TU
13786 Points
							
Dear student 
Alkali metals are the chemical elements found in Group 1 of the periodic table. Although often listed in Group 1 due to its electronic configuration, hydrogen is not technically an alkali metal since it rarely exhibits similar behavior
2 months ago
Mayank Ranka
askIITians Faculty
214 Points
							
Dear student,

Hydrogen is placed in group I of the modern periodic table due to following reasons:-

(1) It shows outer electronic configuration similar to group I elements (i.e.1s1).
(2) It readily looses its electron to form H+ ion which resembles the electropositive character of group I elements.
(3) It shows +1 oxidation state like alkali i.e. group I elements.
(4) Hydrogen also acts as a strong reducing agent like alkali metals and also forms binary compounds with electronegative elements which resembles the group I elements.
2 months ago
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