[DOC] [TLE] Halogen elements facts, information, pictures | Encyclopedia.com ... [PAR] As noted, the halogens form Group 7 of the periodic table of elements. They are 
listed below, along with chemical symbol and atomic number: ... Fluorine and 
chlorine are gases, iodine is a solid, and bromine is one of only two ..... Used for 
automobile headlights, spotlights, and floodlights, the halogen lamp is much 
more... [DOC] [TLE] halogen element | chemical element group | Britannica.com [PAR] The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I),... ... 
six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic 
table. ... The free element is widely used as a water-purification agent, and it is ... 
(Often astatine is omitted from general discussions of the halogens because less 
is... [DOC] [TLE] Chemistry and Chemical Reactivity 8th Edition.pdf - Chemistry 166 ... [PAR] Jun 21, 2013 ... The Periodic Table: A Guide to the Elements  Valence Electrons  Ionic ... The 
Alkali Metals, Group 1A  Preparation of Sodium and Potassium ..... Organic 
chemistry (Chapter 10) is often left to one of the final chapters in chemistry 
textbooks. ...... Here are orange-red liquid bromine and purple solid iodine. [DOC] [TLE] Chem4Kids.com: Elements & Periodic Table: Halogens [PAR] This tutorial introduces halogens of the periodic table. ... The elements included 
are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). ... You will 
often find them bonding with metals and elements from Group One of the... [DOC] [TLE] Noble gas - Wikipedia [PAR] The noble gases make a group of chemical elements with similar properties; 
under standard ... A helium-oxygen breathing gas is often used by deep-sea 
divers at depths of .... properties, even though it is a member of group 14 on the 
periodic table. ..... Xenon is commonly used in xenon arc lamps which, due to 
their nearly... [DOC] [TLE] uncorrected page proofs - Oxford University Press [PAR] Scientists use their knowledge of elements to understand and explain why 
different ... predict, using the periodic table, the properties of common elements. 
43 ... Fluorine. 17. Cl. 35.45. Chlorine. 35. Br. 79.90. Bromine. 53. I. 126.90. 
Iodine ..... 3 Recall the reason why the transition metals are often not given a 
group number. [DOC] [TLE] Sample Unit - Nelson Education [PAR] (group) of the periodic table have similar ... 204 Chapter 6  Elements and the 
Periodic Table DRAFT - Not in Final Form ... ingredients were probably ones 
used in Chinese .... You may recall that scientists often record data in tables. ..... 
headlights ... polonium ununhexium bromine iodine astatine ununseptium 
krypton xenon. [DOC] [TLE] USES and APPLICATIONS of CHEMICALS elements compounds ... [PAR] ALKALINE EARTH METALS, Group 2 elements of the periodic table. Uses of .... 
Uses of bromine: The element is not used directly but is converted into important
... [DOC] [TLE] The Periodic Table - The Official Site - Varsity.com - We Are ... [PAR] The periodic table shows the chemical elements ordered by atomic number ... 
intermediate between the two groups, leading to their use in ... He set about 
listing all the known ...... table, along with chlorine, bromine, iodine and astatine, 
and all ... samples are often  fluorescent, meaning that they give off light
indeed, this. [DOC] [TLE] Facts, pictures, stories about the element Xenon in the Periodic Table [PAR] Xenon at The Wooden Periodic Table Table by Theodore Gray. ... Xenon Xenon 
discharge headlamp Xenon Xenon short arc lamp and housing Xenon Xenon... [DOC] [TLE] 5_lighting technologies.pdf [PAR] Thus, the amount of lamps in use (light spots in Table 5-2) is almost ..... tubular 
discharge tube is often folded into two to six fingers or a spiral. For a direct ... 
vapour pressure, it is better to use metal halides (compounds with iodine or 
bromine) instead of ..... III and V of the periodic table (e.g., InP

Question: Bromine & iodine are listed in this periodic table group & are often used in lamps or headlights
Answer: halogens