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ICSE Class 10 Chemistry 2016 Paper

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The following table shows the electronic configuration of the elements W,X,Y,ZW, X, Y, Z;
 Element  W  X  Y  Z
 Electronic configuration  2, 8, 1  2, 8, 7  2, 5  1
Answer the following questions based on the table above :
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Question : 40 of 85
Marks: +1, -0
What type of Bond is formed between :
1. W and XX
2. Y and ZZ
Solution:  
1. Metallic
2. Smallest
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