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If XN is the formula of metallic nitride,
(i) State the valency of X
(ii) Which group does it belongs to
(iii) What type of compounds is XN, Electrovalent or Covalent

Dear student,

left parenthesis i right parenthesis space V a l e n c y space o f space n i t r i d e space i o n space i s space minus 3. S o comma space v a l e n c y space o f space m e t a l space X space w i l l space b e space plus 3. left parenthesis i i right parenthesis space T h e space m e t a l space w i l l space b e l o n g space t o space g r o u p space 13 t h. left parenthesis i i i right parenthesis space T h e space c o m p o u n d space w i l l space b e space e l e c t r o v a l e n t space b e c a u s e space t h i s space i s space f o r m e d space f r o m space t h e space t r a n s f e r space o f space e l e c t r o n. space

Regards

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