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Reactivity decreases. In other words, fluorine is the most reactive of the halogens while astatine is the lease reactive. This is because the ability to attract electrons(electronegativity) decreases as you go down the group.

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Which group includes the halogens and which elements are in that group?

The halogens group includes elements such as fluorine, chlorine, bromine, iodine, and astatine. These elements are located in group 17 (Group VIIA) of the periodic table and are known for their high reactivity and tendency to form salts when they react with metals.


What is group 17 called in the periodic table?

halogens (fluorine, chlorine, bromine, iodine and astatine)


What is the family of nonmetal elements with high reactivity?

The halogens are a family of nonmetal elements with high reactivity. This group includes elements such as fluorine, chlorine, bromine, iodine, and astatine. Halogens readily form compounds with metals to achieve a stable octet configuration.


What is the reactivity for nonmetals?

Fluorine Chlorine Iodine Bromine Astatine


What are three members of the halogen group?

fluorine, chlorine, bromine, iodine and astatine are the five halogens


Group 17 elements on the periodic table are called?

Group 17 elements are called halogens. They include Fluorine-F, Chlorine-Cl, Bromine-Br, Iodine-I, and Astatine-At. They are all nonmetals and are reactive because they have 7 electrons in their outer shell, just one electron short of having a full shell.


What group does astatine belong to?

Astatine belongs to the group of elements known as halogens, located in Group 17 (Group VIIA) of the periodic table. It shares similar chemical properties with other halogens such as fluorine, chlorine, bromine, and iodine.


What group of halogens on the periodic table what letter do they start with?

Halogens belong to group 17. The elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At).


Which elements are considered halogens?

The halogens are a group of elements in the periodic table that includes fluorine, chlorine, bromine, iodine, and astatine. These elements are highly reactive and form salts when they react with metals.


Group 17 elements in the Periodic Table are called?

Halogens: fluorine, chlorine, bromine, iodine, astatine, Uus.


Which element is a member of the halogens family?

flourine, chlorine, iodine, bromine, astatine


Is phosphorus a halogen?

No, phosphorus is not a halogen. Phosphorus is a nonmetallic element in group 15 of the periodic table, while halogens are a group of elements in group 17 of the periodic table that include fluorine, chlorine, bromine, iodine, and astatine.