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Good evening sir / madam , the diameter of zinc atom is 2.6 A . Calculate :- (a) the radius of zinc atom in pm ( b) number of atoms present in a length of 1.6 cm if the zinc atoms are arranged side by side length wise .

Good evening sir / madam , 
       the diameter of zinc atom is 2.6 A . Calculate :- (a) the radius of zinc atom in pm 
   ( b) number of atoms present in a length of 1.6 cm if the zinc atoms are arranged side by side length wise . 

Grade:9

1 Answers

Vikas TU
14149 Points
5 years ago
  1. raduis = 2.6/2 = 1.3 A or => 1.3 x 10^-10 m => 130 pm
  2. side by side length => ¼ *12 = 3 atoms.
  3. No need for cube length. Hence.

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