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Why are the halogens not found naturally in the earth's crust as the pure elements?
The halogens are not found naturally in the earth's crust as pure elements because of their extreme reactivity. Because the halogens are close to having completely filled electron shells, they will often react with other substances in order to gain an electron. As an especially noteworthy case, fluorine is the most reactive of the halogens (and elements in general), and will even react with glass. Therefore, the halogens are found naturally as compounds, not pure elements.
What are the elements fluorine chlorine bromine and iodine called?
These elements are typically called halogens, and they are found in Group 17 of the periodic table.
What is the collective name given to the elements in group vii?
The elements in group VII of the periodic table are known as the halogens. This group includes fluorine, chlorine, bromine, iodine, and astatine. Halogens are highly reactive nonmetals that readily form salts with metals.
What group of elements has seven valence electrons?
The name of the family is the Halogen family.
Elements in group viia sometimes referred to as group 17 are all called what?
The elements in group VIIA, also known as group 17, are called halogens. This group includes fluorine, chlorine, bromine, iodine, and astatine. Halogens are highly reactive nonmetals.
What is another name for the group 17 elements?
Another name for Group 17 (VIIA) Elements is Halogens.
Why are halogens used in your daily life?
§ Halogens are a group of non metallic elements that are placed in Group 7 of the Periodic Table. There are 5 elements that are considered to be a part of this group, and that are widely known as halogens. § Halogens are used in our daily life as they are very useful and decrease the chances of being sick or getting disease.
Elements in Group 17 are all called?
Halogens Apex ;)
Why is halogen elements not useful?
This question is based on chemistry. Halogens are useful elements. There are 5 halogens in the world.
Did halogens frequently occur in nature as free elements?
Yes, the halogens did occur in nature as free elements.
What elemtns are halogens?
The halogens are the group 17 elements on the periodic table.
What are elements in group 17 called?
halogens
Why are halogens known as salts?
Halogens are not salts but they are chemical elements; halogens can form salts reacting with metals.
How are halogens like metals?
Halogens are not like metals. Halogens are elements missing one electron for full valency.
Do halogens rarely combine with other elements?
No. Halogens combine readily with sodium
What are the halogens molecule size?
The size of halogens or the group 17 elements is small.
Are halogens made up of water?
Halogens are chemical elements: F, Cl, Br, I, At.
