Question

an element x from group 2 of the periodic table reacts with y from group 17 to form a compound. give the formula of compound.
(1) xy2
(2) xy
(3) x2y
(4) (xy)2​

Answer 1

Answer:

Explanation:

let X= Ca

    Y = Cl

1)Mgcl2

2)Nacl

i dont know about rest two as grp 17 elements have 1 valence electrons mostly hence it cant be x2y or (xy)2

hope you find the rest two

Answer 2

Answer

xy2

correct answer hai