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because going down the group the size of the atom increases bcz of shielding efffect etc. due to which the netineraction between the atom and the outermost electron decreases so these electrons on the surface of iodine become excited by absorbing heat energy from light so when they release this energy and come to their normal state, they emit this light so it appears that thay have lustrous surface
What else can I help you with?
What is the lustre of aluminum?
The lustre of a metal is how shiny the metal is.There are two different types of lustre. One is metallic lustre, which is like the shininess of a polished metal surface. The other is non-metallic lustre, which is the opposite of metallic lustre, but is still shiny
What has the most metallic character fluorine chlorine bromine or iodine?
Fluorine has the most metallic character among fluorine, chlorine, bromine, and iodine. Metallic character decreases as you move across a period from left to right on the periodic table, and fluorine is the first element in the halogen group.
Is magnetite non-metallic like glassy pearly brilliant waxy or dull luster?
Magnetite crystals have a metallic lustre.
Does iodine have luster?
yes lithium does have luster it is metalic
What does iodine gas smell like?
Iodine gas is usually described as having an "irritating" odor.
Does germanium have lustre?
It sort of has this dark metallic look to it
What is the lustre of copper?
Copper is said to have an orangey-red metallic lustre.
Does hydrogen have Lustre?
Hydrogen itself does not have lustre as it is a colorless, odorless, and tasteless gas at room temperature. However, in its solid form as metallic hydrogen, it may have a metallic lustre.
The mineral pyrite has a metallic?
Lustre.
What is the lustre of aluminum?
The lustre of a metal is how shiny the metal is.There are two different types of lustre. One is metallic lustre, which is like the shininess of a polished metal surface. The other is non-metallic lustre, which is the opposite of metallic lustre, but is still shiny
What is the lustre for potassium?
Potassium typically has a metallic lustre, appearing shiny and reflective when freshly cut.
What is luster on a mineral?
Luster (or Lustre) is a description of the way light interacts with the surface of a crystal,rock or mineral - For example a metallic lustre or silky lustre.
What is a minerals is luster?
Luster (or Lustre) is a description of the way light interacts with the surface of a crystal,rock or mineral - For example a metallic lustre or silky lustre.
What is the Lustre of chlorine?
Chlorine does not exhibit any inherent lustre as it is a gas at room temperature and does not have a shiny metallic appearance.
What is gold's Lustre?
Gold has a bright metallic lustre. It is highly reflective and shiny, giving it a distinct and luxurious appearance.
What is aluminum's lustre?
Aluminum has a shiny, metallic lustre that is characteristic of metals. It reflects light and appears bright and silvery in color.
What are the things which has lustre?
Almost all metals are lustrous and shine and some non-metals like Graphite and iodine do have some lustre.
