History |
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| 1 pt |
| | What is yttrium? |
| | Element in this row discovered near the Sweedish village of Ytterby |
| 2 pt |
| | What is ruthenium? |
| | Element in this row discovered near the Russian region of Ruthenia |
| 3 pt |
| | What is ruthenium or rhodium? |
| | One of the two elements in this row largely obtained from used nuclear fuels instead of mining |
| 4 pt |
| | What is niobium? |
| | Element in this row that was originally named columbium since it was found in America (which was called Columbia in the 1700s) |
| 5 pt |
| | What is palladium? |
| | Element in this row named in 1804 after a large asteroid that was discovered two years earlier |
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Oxidation States |
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| 1 pt |
| | What is +3? |
| | Most common/stable oxidation state in the early transition metals in this row |
| 2 pt |
| | What is +2? |
| | Oxidation state only obtained in this row when the metal is bound to stabilizing (pi accepting) ligands |
| 3 pt |
| | What is ruthenium (group 8)? |
| | Last element in this row where the "group" oxidation state is observed |
| 4 pt |
| | What is disproportionation? |
| | Process by which two unstable oxidation states undergo electron transfer to obtain a more stable state (M(IV) + M(II) --> 2 M(III) |
| 5 pt |
| | What is rhodium(I) or palladium(II)? |
| | One of two metals and oxidation state in this row that produces stable square planar complexes |
|
Ores |
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| 1 pt |
| | What is zirconium? |
| | Zircon |
| 2 pt |
| | What is molybdenum? |
| | Wulfenite |
| 3 pt |
| | What is palladium? |
| | Only found on Earth as an alloy with gold |
| 4 pt |
| | What is niobium? |
| | Pyrochlore |
| 5 pt |
| | What is ruthenium? |
| | Pentlandite |
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Uses |
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| 1 pt |
| | What is technetium? |
| | Element in this row used heavily in nuclear medicine and as a radioactive tracer |
| 2 pt |
| | What is yttrium? |
| | Element in this row used as a phosphor in fluorescent tubes and television screens |
| 3 pt |
| | What is rhodium? |
| | Element in this row found in most automobile catalytic converters |
| 4 pt |
| | What is molybdenum? |
| | Element in this row first used in industry as armor plating for tanks in WWI |
| 5 pt |
| | What is zirconium? |
| | Element in this row used in nuclear reactor construction due to its low neutron capturing ability |
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Fun Facts |
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| 1 pt |
| | What is silver bromide? |
| | Halide compound based on a metal in this row used as the active ingredient in black and white film |
| 2 pt |
| | What is palldium? |
| | Hydride compound based on a metal in this row that has been found to absorb large amounts of molecular hydrogen...possibly for it's storage |
| 3 pt |
| | What is ruthenium? |
| | Element in this row commonly used as a light absorber in rutile-based solar cells |
| 4 pt |
| | What is niobium? |
| | Element in this row found in the superconducting magnets in our NMR |
| 5 pt |
| | What is cadmium? |
| | Element in this row that is highly carcinogenic, which has led to it's recently curtailed use in essential consumer goods |
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Daily Double |
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| Daily Topic |
| | What is silver iodide? |
| | Compound based on a metal in this row used in cloud seeding |
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