Iodine is a chemical element with symbol I and atomic number 53. The name is
from Greek ἰοειδής ioeidēs, meaning violet or purple, due to the color of iodine ...
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.
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.
Get information, facts, and pictures about Halogen elements at ... to collect
potassium nitrate when he noticed that a beautiful violet vapor was produced.
chempaths.chemeddl.org/services/chempaths/?q=book/General Chemistry Textbook/Chemistry of the Representative Elements/1453/group-viia-halogens
Dec 16, 2010 ... Fluorine, the most electronegative element, has no positive oxidation states, but
the ... heated, sublimes (changes directly from solid to gas) to a beautiful violet
vapor. All the gases produce a choking sensation when inhaled.
The violet vapor of iodine was then cooled to yield the pure solid. ... "A sample of
mercury(II) oxide was heated to produce mercury metal and oxygen gas.
Dec 30, 2015 ... I chemical element, a member of the halogen elements, or Group 17 (Group ...
History In 1811 the French chemist Bernard Courtois obtained a violet vapour... ...
of iodine in the presence of starch produce a blue-black colour.
Iodine Element Facts. Data Zone ... Color: bluish-black solid, purple vapor ... This,
rather surprisingly, produced a purple vapor, which condensed into dark crystals.
... Iodine's name comes from the Greek work 'iodes' meaning violet.
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 ...
Hydrodgen, Blue-violet. 2. ... Mercury Vapor, Blue-violet. 8. ... These colors can
be used to produce atomic emmision spectra of the elements electrically excited.