The Group I element sodium forms an ionic bond with the Group VII element fluorine.
Which two ions are produced?
1 )
$N{a^ + }$ and ${F^ + }$
$N{a^ + }$ and ${F^ - }$
3 )
$N{a^ - }$ and ${F^ - }$
4 )
$N{a^ - }$ and ${F^ + }$
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