Question

Chlorine and bromine have very similar chemical properties. This is best explained by the fact that both elements:

Answer 1

What is the similarity between chlorine and bromine?

Chlorine and bromine have very similar chemical properties and are best explained by the fact that they both belong to the category of halogens.

Similarities shared by halogens:

Chemical elements are represented as periods and groups on a periodic table. Chemical elements with comparable properties make up each category. Halogens are group 17 elements that are primarily non-metallic.

In the case of halogens, each element's atom possesses seven valence electrons, $ns^{2} np^{5}$, in which n stands for the energy level. The electron configuration of chlorine is $[Ne]3s^{2} 3p^{5}$, and the electron configuration of bromine is $[Ar]3d^{10}4s^{2} 4p^{5}$.

Because of comparable electron configurations, elements of the same group have similar properties. The number of valence electrons, which are located in the outermost (highest energy) s and p orbitals, is particularly similar.

Learn more about halogens here;

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