Which element combination(s) would result in a transfer of electrons?

sodium (Na) and chlorine (Cl)

nitrogen (N) and oxygen (O)

aluminum (Al) and fluorine (F)

sodium (Na) and calcium (Ca)

Respuesta :

The transfer of electrins occurs in a ionic bond which takes place between a metal and a non-metal.
Therefore the answers would be:
-Sodium and Chlorine
-Aluminum and Fluorine
Hope this helps :)