ICSE Class 10 Chemistry 2014 Solved Paper

An element $Z$ has atomic number 16. Answer the following questions on $Z$ :

Question : 82 of 88

Marks: +1, -0

State the formula between

Z

and Hydrogen.

Solution:

Z's valency

=-2

{\H}=+1

So formula

{\H}_2 {\Z}

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