Question

an element X atomic number 11 react with element by atomic number 17 to form a monovalent halide write the position of X and Y in group and period in the periodic table state whether these elements are metal or nonmetal describe the nature of oxide of element x

Answer 1

x=2,8,1                                      y=2,8,7
compound formed=xy
position :
x=group 1,period=3                    y=group 17,period =3
x=metal                                       y=non metal
nature of oxide=basic oxide
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Answer 2

x =2,8,1 and y= 2,8,7
x = group 2 and period 3
y=group 17 and period 3
x is metal and y is non metal