Quiz Answer Key and Fun Facts
1. Which gas, finally isolated in 1866, is pale yellow in colour, and is both highly toxic and corrosive?
2. Which of the "noble" gases, discovered in 1898, is characterized by its bright orange and green spectral lines?
3. This gas becomes liquid at -196C. It is essential to life, and is a component of all proteins.
4. This gas is the second most abundant element in the universe, and has the lowest melting point of any element.
5. Care must be taken when handling this radioactive gas. Long term exposure, especially in smokers, can cause lung cancer.
6. In nature, this gas is only ever found combined with other elements. In its pure state however, it is fatal if inhaled.
7. This is the lightest of all the gases, and readily combines with other elements, often explosively!
8. This gas is used with helium in making gas lasers, but is no doubt better known for its use in lighting.
9. This gas is used as a protective atmosphere for growing silicon and germanium crystals.
10. This gas when combined with hydrogen tends to make things wet, and we would die without it!
Source: Author
delboy22
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crisw before going online.
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