Q. 95.0( 5 Votes )

An element 'X' be

Answer :

(a)Since it belongs to group 13, therefore no. of valence electrons= 3


The Valency of element X is 3


(b)When 'X' reacts with element 'Y', the compound formed will be:



Therefore, the Molecular formula of compound formed is X2Y3.


(c)When X combines with chlorine:


Atomic no of X = 13


i.e. X is Aluminum Al


Valency of X is 3


Valency of chlorine is 1


Therefore, the molecular formula will be:



Compound: AlCl3


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