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A-Z: Elements and other chemicals - Statistics
General Stats
- This quiz has been taken 583 times
- The average score is 17 of 26
Answer Stats
| Clue | Formula | Chemical | % Correct | |
|---|---|---|---|---|
| C | Gas which animals breathe out and plants take in | CO₂ | Carbon dioxide | 98%
|
| H | Gas which is the commonest element in the universe | H | Hydrogen | 98%
|
| A | Element sometimes used to poison people in the past | As | Arsenic | 94%
|
| G | Sugar which is the body's primary source of energy | C₆H₁₂O₆ | Glucose | 91%
|
| L | A sugar found in milk | C₁₂H₂₂O₁₁ | Lactose | 91%
|
| U | Radioactive element used for nuclear power | U | Uranium | 91%
|
| W | Useful liquid | H₂O | Water | 90%
|
| X | Noble gas used in anaesthetics, and also breathed in by patients who are given an MRI scan of the lungs | Xe | Xenon | 90%
|
| K | Elemental gas used in some high-powered lasers | Kr | Krypton | 89%
|
| M | The main component (95%) of natural gas, this is also responsible for about a quarter of global warming | CH₄ | Methane | 88%
|
| F | Yellow gas element used in refrigerants and electrical insulation | F | Fluorine | 83%
|
| B | Component of petrol, also used for lighter fluid and gas stoves | C₄H₁₀ | Butane | 75%
|
| I | Very soft metal with atomic number 49, used in flat-panel displays | In | Indium | 73%
|
| O | The densest naturally occurring element | Os | Osmium | 71%
|
| Y | Element which is used in the manufacture of radar | Y | Yttrium | 69%
|
| Q | Anti-malarial medication | C₂₀H₂4N₂O₂ | Quinine | 60%
|
| E | Used as an alloy to soften other metals, it has atomic number 68 | Er | Erbium | 55%
|
| D | Isotope of hydrogen used in the nuclear industry | ²H or D | Deuterium | 50%
|
| R | Another name for vitamin B2 | C₁₇H₂0N₄O₆ | Riboflavin | 47%
|
| S | Also known as baking soda or bicarbonate of soda | NaHCO₃ | Sodium bicarbonate | 46%
|
| N | Highly corrosive chemical, used in explosives | HNO₃ | Nitric acid | 38%
|
| P | Preservative and flavouring in fizzy drinks | H₃P O₄ | Phosphoric acid | 27%
|
| V | Another term for niacin, which the body uses to generate energy | C₆H₅NO₂ | Vitamin B3 | 16%
|
| T | The main psychoactive chemical of cannabis | C₂₁H₃₀O₂ | Tetrahydrocannabinol | 15%
|
| Z | The main component of ZBLAN glass, used in lasers, it has four fluorine atoms | ZrF₄ | Zirconium tetrafluoride | 14%
|
| J | Perfume found in and named after a certain tropical plant | C₁₄H₁₈O | Jasminaldehyde | 3%
|
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