In the second column indigenous the appropriate side the the periodic table, girlfriend will discover Group Seventeen (Group XVII). This tower is the house of the halogen family of elements. That is in this family? The aspects included are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and also astatine (At). What renders Them Similar?When friend look in ~ our descriptions of the aspects fluorine and also chlorine, girlfriend will see that lock both have seven electron in their external shell. That seven-electron trait applies to every one of the halogens. They room all just one electron shy of having complete shells. Due to the fact that they room so close to being happy, they have the properties of combine with many different elements. They are really reactive. You will often uncover them bonding v metals and elements from group One that the periodic table. The aspects in the pillar on the left each have one electron the they favor to donate.
We"ve simply told you exactly how reactive the halogens are. Not all halogens react through the very same intensity or enthusiasm. Fluorine is the many reactive and also combines v most facets from around the periodic table. Reactivity decreases as you move down the column. Together you learn more about the table, friend will discover this sample true for various other families. Together the atom number increases, the atoms get bigger. Your chemical properties readjust just a little bit when contrasted to the facet right above them top top the table.What is a Halide?The facets we room talking about in this section are referred to as halogens. When a halogen combine with another element, the resulting link is dubbed a halide. One of the best examples the a halide is sodium chloride (NaCl). Don"t think the the halogens always make ionic compounds and also salts. Some halides that the civilization are a part of molecules with covalent bonds.

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