Q. 145.0( 3 Votes )

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Answer :

(i) The atomic number of element is 16.

Electronic configuration will be 2, 8, 6


So, the number of valence electrons in its atom = 6


(ii) Since, it requires 2 more electrons to obtain the stable gas configuration. So the valency is 2


(iii) The Group number is given by 10 + no. of valence electrons = 10+6 =16


(iv)The given element is a non-metal.


(v) Since non-metals forms acidic oxides, so the nature of oxide will be acidic.


(vi) The formula for its chloride will be given as follows:



The valences will be cross multiplied and thus give the formula as: XCl2.


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