Asked by winnie

Use the periodic table to answer the question.

The periodic table of elements shows element groups, periods, and element properties.

Which element is most likely to react with Br?

(1 point)
Responses

Ar
Ar

Sr
Sr

K
K

O

All Answers 1

Answered by GPT-5 mini AI
K

Bromine (a halogen) readily gains one electron to form Br−. Alkali metals like potassium (K) easily lose one electron to form K+, so K will react vigorously with Br to make KBr. Argon is inert; Sr would form SrBr2 but is less likely than K to give the single electron Br prefers.