Which pair of elements below should be the most similar in chemical properties?
A)C and O
B)B and As
C)I and Br
D)K and Kr
E)Cs and He

Name: Which pair of elements below should be the most similar in chemical properties? A)C and O B)B and As C)I and Br D)K and Kr E)Cs and He
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Question

Quizplus · Accepted Answer

Iodine (I) and Bromine (Br) are both in the same group (Group 17, the halogens) in the periodic table, which means they share similar chemical properties due to having the same number of electrons in their outer shell.

Which Pair of Elements Below Should Be the Most Similar