ICSE Class 10 Chemistry 2013 Solved Paper

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 Group number  IA
1
 IIA
2
 IIIA
13
 IVA
14
 VA
15
 VIA
16
 VIIA
17
 0
18
 2nd period  Li    D      O  J  Ne
   A  Mg  E  Si    H  M  
   R  T  I    Q  u    y

In this table H does not represent hydrogen.
● Some elements are given in their own symbol and position in the periodic table.
● While others are shown with a letter.
With reference to the table answer the following questions :
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Question : 43
Total: 84
In the compound between A and B what type of bond would be formed and give the molecular formula for the same.
Solution:  
Ionic Bond,

Thus, Molecular formula is A2H .
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