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iodine is the only halogen in solid form. so it is the halogen which gives violet vapours on sublimation...
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∙ 10y ago
lenpollock
IODINE
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What halogen is violet?
Iodine has violet vapor.
What molecule is xenon hexafluoride?
XeF6 or xenon hexafluoride is a covalent molecule. At room temperature, it is a colourless solid that easily sublimes into intensely yellow vapours.
What are two properties which the halogen vapors have in common?
Molecules in the vapours are diatomic. All the molecules in the vapour are non-polar.
What happens when a solid sublimes?
When ice sublimes, the molecules at the edge of the ice escape into the gas phase as water vapor. The solid phase thus turns directly into the gas phase without an intermediary liquid phase. Ice sublimes quite slowly under normal conditions, but dry ice (solid carbon dioxide) sublimes readily at everyday temperatures and pressures.
What is a nonmetal element that sublimes?
iodine?
What halogen is violet?
Iodine has violet vapor.
What vapor colors does iodine have?
violet vapours
What molecule is xenon hexafluoride?
XeF6 or xenon hexafluoride is a covalent molecule. At room temperature, it is a colourless solid that easily sublimes into intensely yellow vapours.
What are two properties which the halogen vapors have in common?
Molecules in the vapours are diatomic. All the molecules in the vapour are non-polar.
What is a dark grey solid that sublimes to form a violet vapor?
The substance you are describing is likely iodine. Iodine is a dark grey solid that can sublime directly from a solid to a vapor without going through the liquid state. When iodine sublimes, it forms a violet vapor.
What happens when a solid sublimes?
When ice sublimes, the molecules at the edge of the ice escape into the gas phase as water vapor. The solid phase thus turns directly into the gas phase without an intermediary liquid phase. Ice sublimes quite slowly under normal conditions, but dry ice (solid carbon dioxide) sublimes readily at everyday temperatures and pressures.
A substance that exists as a solid at ordinary temperature but changes to vapour on heating?
Iodine and ammonium salts sublime, their vapours then turn back into solids when cooled down. To see the sublimation, heat some iodine in a china dish and place a funnel upside down above the vapours (violet). The heated vapours become solid on contact with the funnel wall.
Why NH4CL crystals have this tendency to creep up against the glass wall?
ammonium chloride sublimes slowly at room temperature. As the vapours come in contact with the surface, the condense back to solid state. And it appears as if the solids has creeped up the glass wall
What are vapours?
water vapours are particles of water when water is boiled at a certain temperature the smoke you get is water vapours
What are some interesting facts about iodine?
iodine is a solid halogen that can sublimate into a violet colored gas. it is also very useful in health. The name originates from the Greek word Iodes meaning "violet". When dissolved in alcohol, it is a powerful antiseptic germicide.
Some hitorical fact about Iodine are?
Iodine is a halogen. It originates from the word "iode(s)" meaning violet because it has a violet coloured gas. It also was found by accident from Bernard Courois. Sorry if its not going to help as I am only 10 yrs old.
Naphthalene sublimes easily but potassium bromide does not How could you separate these two substances?
Dry ice sublimes
