Answer:
They will create an ionic bond.
Explanation:
The atom with the one valence electron will lose its one, because it's a metal and metals will lose electrons to become stable. The nonmetal (with 7 valence electrons) will gain that electron, therefore creating a stable octet for the nonmetal, making the compound stable.
Reactivity is the tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
A)
What am I suppose to do???
Answer:
letter C I'm not sure to my answer but hope it can hrlp