Respuesta :
The pair of elements that would most likely undergo a violent reaction if combined with each other is; Choice D: Cs and F
According to the question;
- We are required to determine the pair of elements would most likely undergo a violent reaction if combined with each other.
Conventionally, alkali metals and halogens react violently.
More specifically; Caesium and Flourine react most violently because they are highly reactive members of the Alkali metals and halogens group respectively.
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