Chem 450 – Chemistry – Flashcards
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Unlock answersMolybdenum was used in WWII for what?
|
Armor plating |
Cheapest Transition metal?
|
| Iron |
| Japanese sword blade in 1330? |
| Molybdenum |
| Name- Greek word for Rose? |
| Rhodium |
Most expensive transition metal?
|
Rhodium |
| Strongest magnet in the world? |
| Zirconium and Niobium |
| Anemia refers to lack of? |
| Iron |
| Highest melting point? |
| Tungsten |
Only metal fit for a king by Louis XIV? |
| Platinum |
| Originally named Hahnium? |
| Dubnium |
| Invisible Ink uses this? |
| Cobalt |
| First synthetic element? |
| Technetium |
| Combines with graphite to form hardest material ever? |
Tantalum |
Name- greek goddess of wisdon Pallus? |
| Palladium |
| 17,000 year old cave paintings? |
Manganese |
| Two metals make up brass? |
Zinc and Copper |
| 4th most abundant element? |
| Iron |
Part of Vitamin B12? |
| Cobalt |
Thought to be the same as tantalum until 1844? |
| Niobium |
| Used for guitar stings and self tanner? |
| Tungsten |
| Used in fireworks? |
| Titanium |
| Name- Scandinavian goddess? |
Vanadium |
| Toxic in Erin Brokovich? |
| Chromium |
Name- Goblin or evil spirit? |
| Cobalt |
| Egyptian jewelry? |
| Zirconium |
| Poison ivy lotion? |
| Zirconium |
White and dosent tarnish? |
| Ruthenium |
| Rarer then Gold and 8 times more expensive? |
| Platinum |
| Two where mistaken for each other until 1844? |
Niobium and Tantalum |
| Found in hemoglobina and myoglobin? |
| Iron |
| Found in moon rocks? |
Yttrium |
| Found in tooth enamal? |
| Moylbdenum |
Second most abundant metal? |
Iron |
Headlight reflectors cantain this? |
| Tungsten |
Causes mad hatter disease? |
| Mercury |
| Main uses of copper? |
| Wiring and American coins |
Source of copper? |
| CuS2 and CuFeS2 |
Uses of Chromium? |
| Chrome finishing and anodizing Al |
| Name- A village in Sweden? |
| Yttrium |
| Best reflector of visible light? |
| Silver |
| Uses of Zirconium? |
| Nuclear reactors and Jewelry |
Burns in pure N2? |
| Titanium |
| Not Purified until 1910? |
| Titanium |
| Name- Greek mythology Titains |
| Titanium |
Work as IR reflector? 2 of them |
| Gold and Titanium |
| 45% lighter then steel but same strength? |
| Titanium |
| Highest number of Oxidation states? |
| Rhenium |
| Used in a thermometer? |
| Mercury |
| Most dense? |
| Osmiun |
| Last discovered? |
Rhenium |
First discover elements? Two of them around 3000 B.C. |
| Gold and Silver |
Uses of Cadmium? |
| Batteries, Solder alloys, nuclear control rods, TV phosphorus, and paint pigment |
| Burns in air? |
| Zirconium |
| Used for armor and armor piercing rounds? |
| Tungsten |
| Light bulb filaments? |
| Tungsten |
| "W" symbol of tungsten stands for what? |
| Wolf or wolframite |
| Most common oxidation state of Scandium? |
| 3+ |
| How many carats is pure Gold? |
| 24 |
| Used for the ballast in airplanes? |
| Tungsten |
Metal is resistant to corrosion? |
| Vanadium |
Present in rubies, emeralds, and sapphires? |
| Chromium |
| Is an e-accelerator? |
| Niobium |
Used in cancer treatment? |
| Platinum |
Brough 1/2 million people to CA? |
| Gold |
| Most corrosion resistant? |
| Iridium |
| Have a square planar complexes when in a 2+ oxidation state? 3 of them |
| Nickel, Platinum, and Palladium |
Means "little silver"? |
Platinum |
Used in cancer treatments? 3 of them |
platinum, gold, and cobalt |
Essential in navy beans? |
| Nickel |
| Found in Scandinavia as a by-product of uranium refining euxenite gandolite? |
| Scandium |
| Discovered between 3000-4000 B.C.? |
| Gold, Silver, and Iron |
| "Cries" when bent? |
| Cadmium |
| 5th highest melting point? |
| Molybdenum |
| 7th most abundant metal? |
| Titanium |
| Name- from Vanadis? |
Vanadium |
Most common oxidation state of titanium |
4+ |
| What is the oxidation state of Y? or Yttrium? |
| 3+ |
