| Hint | Extra Hint | Answer | % Correct |
|---|---|---|---|
| Toothpaste | Fluorine | 100%
| |
| Batteries | Can also be taken to treat mood disorders (the element, not the batteries) | Lithium | 100%
|
| Food cans | In fact, the cans are largely steel. Also used as an alloy with lead to make solder, to fuse metal parts. | Tin | 73%
|
| Used for ammonia in fertilizers | Also for refining oil, and in fuel for rockets and other transportation | Hydrogen | 45%
|
| Blue dye | Also phone and electric car batteries, and used to make hard alloys used in jet engines and drill bits | Cobalt | 36%
|
| Weights | Bullets and X-ray shields are also made of this | Lead | 36%
|
| Found in emeralds | Beryllium | 27%
| |
| Jewellery and mirrors | Also photographic and X-ray film. This has the highest known electrical and thermal conductivity of all metals. | Silver | 27%
|
| Pewter | Used also in bullets, and in the hardening of other metals | Antimony | 18%
|
| Stainless steel, to make the alloy more malleable | Nodules of this element cover about 70% of the ocean floor | Manganese | 18%
|
| Plasma displays | Also general anaesthetics and eye surgery lasers | Xenon | 18%
|
| Green fireworks | X-rays of the digestive system also use this | Barium | 9%
|
| Medicine, especially antacids | Cosmetics too, and low-melting-point alloys used in fire detection and extinguishing | Bismuth | 9%
|
| Solar panels | When combined with tellurium | Cadmium | 9%
|
| Flashes in high-speed photography | The fundamental unit of length is defined by a line in the atomic spectrum of this gas | Krypton | 9%
|
| Red fireworks | Also used in cancer treatment | Strontium | 9%
|
| Aeroplanes | Is commonly used in paint as well | Titanium | 9%
|
| Jewellery | Also dental implants, jet engines and space shuttle parts | Zirconium | 9%
|
| Many industrial uses | However, it is not naturally occurring on Earth, only in meteoroids | Boron | 0%
|
| Red LEDs | Commonly used in chips in electronic devices like computers | Gallium | 0%
|