When an element X belongs to group 17 and an element Y belongs to group 1, why will the form and ionic bond?
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2
Because both are needy of one electron so they are very reactive and has opposite charges such as na of group 1 combined with cl of group 17 forms ionic bond of NACL.
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because in 1st group sodium is present.
Na+
and in 17th group chorine is present.
Ca-
when Na+ .Cl- =Nacl
ionic bond
Na+
and in 17th group chorine is present.
Ca-
when Na+ .Cl- =Nacl
ionic bond
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