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 |
|