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Iodine

en.wikipedia.org/wiki/Iodine

Iodine is a chemical element with symbol I and atomic number 53. The name is from Greek ἰοειδής ioeidēs, meaning violet or purple, referring to the color of ...

What element when burned produces a violet vapor with an ...

www.answers.com/Q/What_element_when_burned_produces_a_violet_vapor_with_an_unpleasant_odor

iodine.

Flame Test Colors - Chemistry Geek

chemistrygeek.com/Descriptive Colors.doc

Na+ Yellow. K+ Violet. Ca2+ Orange-red. Sr2+ Red. Ba2+ Green. Cu2+ Blue- green .... Cr2O72- Orange. Cu(NH3)42+ Dark Blue; produced when ammonia is added to Cu2+ solutions ... Transition element ions with partially filled d orbitals tend to release colored light. ... I2 Dark-violet vapor & dark metallic looking solid.

Violet Smoke Chemistry Demonstration - About.com

chemistry.about.com/od/chemistrydemonstrations/a/Violet-Smoke-Chemistry-Demonstration.htm

Here are two ways to produce violet smoke for a colorful chemistry demonstration involving the element iodine. ... Produce Clouds of Violet Smoke. Iodine vapor produces the violet color of the smoke. - (c) Philip Evans. Iodine vapor produces ...

53. Iodium (Iodine) - Elementymology & Elements Multidict

www.vanderkrogt.net/elements/element.php?sym=I

After the process, the various Sulphur compounds produced during ... added excess sulphuric acid resulting in a violet vapor cloud that condensed on colder ...

Groups of Related Elements | ChemPaths

chempaths.chemeddl.org/services/chempaths/?q=book/General Chemistry Textbook/The Structure of Atoms/1211/groups-related-elements&title=CoreChem:Group_VIIA:_Halogens

Dec 8, 2010 ... All the gases produce a choking sensation when inhaled. ... of the horse by the great clouds of violet iodine vapor which sublimed as a result of ...

Iodine

www.ucc.ie/academic/chem/dolchem/html/elem053.html

... element belonging to Group VIIb (i.e. the Halogen Group of elements) of the ... contain iodide salts, with sulphuric acid to produce a vapour with a violet colour.

Purple fumes: the importance of iodine | www.scienceinschool.org

www.scienceinschool.org/2013/issue27/iodine

Aug 16, 2013 ... ... the element iodine, from the Greek word iodes, which means purple or violet. ... Physiologically, iodine is an essential element, required for the ... and iodine react to produce spectacular clouds of purple iodine vapour.

53 Iodine - Theodore Gray

theodoregray.com/periodictabledisplay/Elements/053/index.s14.html

It sublimes easily to produce a beautiful purple vapor. Beads in ampoule. Be sure to watch the video associated with this element. You can see ... The most obvious effect is the generation of a cloud of beautiful violet vapor. But if you watch ...

Full text (PDF)

pubs.acs.org/doi/pdf/10.1021/ed086p206

Feb 2, 2009 ... discovery of a new element that is now known to us as iodine. ... substance appeared as a vapor of beautiful violet color and con- densed as black ... concentrated, so as to produce much heat, the substance ap- pears as a ...

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Which element produces a violet vapor with an extremely ...

www.answers.com

Heating a white substance produces a vapor and black material Was the ... What element when burned produces a violet vapor with an unpleasant odor? iodine.

Iodine, Chemical Element - reaction, water, uses, elements, proteins ...

www.chemistryexplained.com

The periodic table is a chart that shows how chemical elements are related to ... He was amazed to see clouds of beautiful violet vapor rising from the mixture. ... Radioactive isotopes are produced when very small particles are fired at atoms.

Gas Discharge Tubes - Chemical Education Homepage

chemed.chem.purdue.edu

Hydrodgen, Blue-violet. 2. ... Mercury Vapor, Blue-violet. 8. ... These colors can be used to produce atomic emmision spectra of the elements electrically excited.