ICSE Class 10 Chemistry 2016 Solved Paper

The following table shows the electronic configuration of the elements W,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 :

Question : 41

Total: 85

What is the formula of the compound formed between :
1. X and Z
2. W and X

Solution:

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