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Reverse Search
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| atom |
Atoms are very tiny things in the universe. We cannot see them with our eyes, but they make up everything around us and in space. Chemical elements, which are the building blocks of all substances, are made up of atoms. Some chemical elements that you may know are gold, copper, helium, oxygen, mercury, and lead. Each of these elements is made up of a different kind of atom. |
| Hermes |
the messenger of the gods, in Greek mythology. Hermes was also the god of travelers, of trade, of theft, and of skill in speaking. He is often shown with wings on his hat and shoes. In Roman mythology, Hermes is called Mercury. |
| Hg |
symbol of the chemical element mercury. |
| mercury |
a heavy, silver-white metal that is one of the chemical elements. Mercury is liquid at room temperature. It is used in thermometers and barometers. (symbol: Hg) [3 definitions] |
| planet |
a large body in outer space that circles around the sun or another star. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto are all planets in our solar system. |
| thermometer |
an instrument for measuring temperature. Some thermometers are made of a closed glass tube containing mercury or alcohol that rises or falls as the temperature rises or falls. |
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