Chlorine is a halogen, a group that includes fluorine, chlorine, bromine, iodine, and the rare radioactive element astatine. (And possibly the newly isolated element ununseptium.)
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Chlorine belongs to group 17 in the table.It is a group of halogens.Chlorine has atomic number 17 as well.
The element with the electron configuration 1s22s22p63s23p5 is chlorine (Cl). This electron configuration indicates that chlorine has 7 valence electrons, which is typical for Group 17 elements.
Chlorine shares the most characteristics with fluorine as they both belong to the same group on the periodic table (Group 17, also known as the halogens). They both have similar chemical properties such as being highly reactive and forming compounds easily.
Sodium belongs to the element group known as alkali metals.
The element bromine has properties similar to chlorine and fluorine since they all belong to the same group in the periodic table, known as the halogens. Bromine shares similar chemical reactivity and characteristics with chlorine and fluorine due to their similar electronic configurations and atomic structure.
The iodine family belongs to the halogen group on the periodic table of elements. This group includes elements like fluorine, chlorine, bromine, and astatine, and they share similar chemical properties such as being highly reactive.