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Grade: 12 
        
why only Be and Mg hydrides form polymeric structures? not other top elements of each group?
12:53 pmtop elements of each group have high electron density
3 years ago

Answers : (1)

Vikas TU
11143 Points 
							
Due to being small sizes in the periodic table  and haas raoid tendency to decompoe into their component elements. Therefore, Be and  Mg hydrides form polymeric structures.
3 years ago
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