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At atom that has only one electron in its valence electron shell is ________ chemically reactive.
a. not
b. mildly
c. highly
d. The name of the element is needed to figure this out.

Respuesta :

taskmasters
The correct answer is C. An atom having only one valence electron is highly chemically reactive. The valence electron says a lot to the reactivity of an atom. For example, sodium has only one valence electron which makes it so reactive and unstable. The alkali metals have only 1 valence electron.

Answer:The correct answer is  C. Highly

Explanation:

its correct because I got it correct on my test sooo..yuup.!

-hope this helps.!!