Question

which of the following elements is chemically most similar to chlorine? A) helium b) sodium c) bromine d) hydrogen

Answer 1

bromine

Step-by-step explanation:

Any element with 7 electrons in the outermost shell will have similar properties. Thus other elements in the same column of the periodic table as chlorine will have similar properties. Elements in this column form what is called the Halogen series, which is composed of fluorine, chlorine, bromine, iodine, and astatine.

Answer 2

I thinkt he answer is a helium but I could be wrong