Group 17

F
1 pt
What is teflon? (PTFE)
Common name for polytetrafluoroethylene
2 pt
What is the electrolysis of salts?
Major source of elemental fluorine (and other halogens)
3 pt
What is pale yellow?
Color of fluorine gas
4 pt
What is nuclear power/weapons? (gaseous molecule use in isotope enrichment)
Use of UF_6_ starting in the early 1940s
5 pt
What are HFCs? (hydrofluorocarbons)
"Green" replacement for CFCs in refrigeration and air conditioning
Cl
1 pt
What is sodium hypochlorite? (aqueous soultion)
Chemical name for "chlorine bleach"
2 pt
What is a disinfectant in water?
Most common commercial use of chlorine
3 pt
What is "pale green" (Greek)?
Origin of the name chlorine
4 pt
Who is Carl Wilhelm Scheele (1774)?
Chemist credited as the discoverer of chlorine
5 pt
What is WWI? (1914, Second Battle of Ypres)
War where chlorine was first used as a weapon
Br
1 pt
What is the Dead Sea?
Location of Israel's bromine reserves
2 pt
What is a fire retardant for fabrics or other consumer materials?
Major use of tetrabromobisphenol A in industry
3 pt
What is the active ingredient in black and white film stock?
Major commercial use of silver bromide
4 pt
What is "stench (of he-goats)" (Greek)?
Origin of the name bromine
5 pt
What is seaweed?
Natural material bromine was isolated from by Antoine Balard in 1825
I
1 pt
What is dark blue (iodine clock reaction)?
Color of iodine in the presence of starch
2 pt
What is triiodide (I_3_^-^)?
Ion typically formed when iodine is dissolved in water
3 pt
Who is Barnard Courtois (1811)?
Chemist generally credited with iodine's discovery
4 pt
What is thyroid cancer? (since iodine is typically held in this organ)
Cancer commonly treated with iodine isotopes
5 pt
What is it's used in the manufature of methamphetamines?
Reason you might be put on DEA's watch list if you purchase large quantities of iodine
At
1 pt
What is 1940? (by Dale Corson, Kenneth MacKenzie and Emilio Segre)
Year of Astatine's discovery (+/- 5 years)
2 pt
What is 8.3 hours?
Half-life of astatine (+/- 15%)
3 pt
What is helvetium?
Originally proposed name of astatine
4 pt
What is "unstable" (Greek)?
Origin of the name astatine
5 pt
What is by alpha particle bombardment of bismuth?
Method by which astatine was initially produced
Daily Double
Daily Topic
What is fluorine? (allows for molecular structure changes and restisting metabolic deactivation)
Element in this group that is key in the drugs Prozac and Lipitor