Well one answer is pretty obvious, they're all called halogens.
And here are ones I got from chemistry.about.com
"Very high electronegativities
Seven valence electrons (one short of a stable octet)
Highly reactive, especially with alkali metals and alkaline earths "
Group 7 are Halogens. The most common are Flourine, Chlorine, Iodide, however, there are more
They share many properties, but one is that they all have 7 valence electrons.
fluorine,chlorine,bromine,iodine
Nonmetals, halogens, and noble gases are all found in the p-block of the periodic table. They generally have high electronegativities and form covalent bonds, with halogens being particularly reactive due to their desire to gain electrons. Noble gases, in contrast, are characterized by their full valence electron shells, making them largely inert and unreactive. All three groups play essential roles in various chemical processes and applications.
They are all Halogens in the Periodic Table.
Halogens are all non-metals, they are all very reactive, and they are all colorful.
All halogens are very reactive chemical elements anf form anions.
Thier all in the same periodic group
The common oxidation number for halogens is -1. This is because halogens have 7 electrons in their outer shell and tend to gain 1 electron to achieve a full valence shell, resulting in an oxidation number of -1.
Halogens Apex ;)
Group VIIA elements are known as halogens and all have 7 valence electrons.
the halogens
Both are salts, contain sodium and contain halogens (iodine and chlorine are halogens).
FluorineChlorineBromineIodineAstatine
Group 7 are Halogens. The most common are Flourine, Chlorine, Iodide, however, there are more
All alkali metals, alkaline earth metals, and halogens have a common valence electron configuration: alkali metals have 1 valence electron, alkaline earth metals have 2 valence electrons, and halogens have 7 valence electrons. This shared electron configuration influences their chemical properties, such as reactivity and bonding tendencies.
The more common name for group 7 metals is the halogens. This group includes elements such as fluorine, chlorine, bromine, iodine, and astatine. Halogens are highly reactive nonmetals that readily form salts with metals.