When sodium and fluorine combine to produce the compound NaF, the ions formed have the same electron configuration as atoms of argon, only

2.

neon, only

3

both argon and neon

neither argon nor neon

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.