What is Group 17 on the periodic table charge?
Halogens are the most reactive nonmetals on the periodic table. The halogens are so reactive due to their electronic configuration. They have 7 electrons in their outermost shell and desire to gain an extra electron to complete their shell of 8 electrons. By obtaining an electron, halogens form anions with a -1 charge.
What do the elements in column 17 have in common?
1 Answer. Short answer they have the same amount of outermost electrons and hence similar chemical properties.
What are the elements of 17 group?
Group 17 elements are collectively called as halogens (In Greek: halo means salt and genes mean producing, so collectively salt producing) and it consists of fluorine, chlorine, bromine, iodine, and astatine. The similarity to this extent is not found in other groups of the periodic table.
What is the collective name for the group 17 elements?
The halogens are located on the left of the noble gases on the periodic table. These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Where is group 17 on the periodic table?
Why are 17 elements called halogens?
The group 17 elements include fluorine(F), chlorine (Cl), bromine(Br), iodine(I) and astatine(At) from the top to the bottom. They are called “halogens” because they give salts when they react with metals.
Why are group 17 elements called that?
Group 17 Elements They are called “halogens” because they give salts when they react with metals.
Why are group 17 elements highly reactive?
Because the halogen elements have seven valence electrons, they only require one additional electron to form a full octet. This characteristic makes them more reactive than other non-metal groups.
What do group 17 elements form?
Halogens (group 17 elements) react with most metals to form an ionic metal halide, and the reactions are more vigorous with fluorine and least vigorous with iodine. The halogens also react with water.
What element is in group 17 Period 2?
These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At)….Electronegativity (decreases down the group)
| Halogen | Electronegativity |
|---|---|
| Chlorine | 3.0 |
| Bromine | 2.8 |
| Iodine | 2.5 |
| Astatine | 2.2 |
Why are halogens called halogens?
They were given the name halogen, from the Greek roots hal- (“salt”) and -gen (“to produce”), because they all produce sodium salts of similar properties, of which sodium chloride—table salt, or halite—is best known.
What are halogens and why are they called halogens?
Group 17 elements are called halogens. The name halogens are from Greek halo (sea salt) and gens (producing formation) and thus means ‘sea salt former’. Group 17 contains fluorine, chlorine, bromine, iodine which form salts. Hence they are called halogens.