Mercury (element) - Wikipedia
Mercury is a chemical element; it has symbol Hg and atomic number 80. It is commonly known as quicksilver.
Basic Information about Mercury - US EPA
Dec 5, 2024 · Elemental or metallic mercury is a shiny, silver-white metal, historically referred to as quicksilver, and is liquid at room temperature. It is used in older thermometers, fluorescent …
Mercury Facts - Science@NASA
Apr 25, 2025 · Mercury is the smallest planet in our solar system and nearest to the Sun. It's only slightly larger than Earth's Moon. From the surface of Mercury, the Sun would appear more …
Mercury | Facts, Color, Size, & Symbol | Britannica
Oct 21, 2025 · Mercury is the smallest planet in the solar system, and it is also the planet closest to the Sun, making it the most difficult of the planets to see with the unaided eye.
Mercury Definition, Facts, Symbol, Discovery, Property, Uses
Mercury (pronunciation: MER-kyoo-ree) is a heavy, silvery element belonging to the family of transition metals in the periodic table and represented by the chemical symbol Hg [1, 2, 3]. It is …
Mercury, Chemical Element - reaction, water, uses, elements, …
Mercury has long been known as quicksilver, because it is a silver liquid. The chemical symbol also reflects this property. The symbol, Hg, comes from the Latin term hydrargyrum, meaning …
Mercury Facts | Mercury Size | Mercury Planet Color | How Big Is ...
Oct 21, 2025 · Mercury is the smallest planet in the Solar System in both mass and diameter. It’s 18 times less massive than the Earth, and its diameter barely reaches two-fifths of the Earth’s …
Facts About Mercury - Department of the Environment
What is MERCURY? MERCURY is a heavy silver-colored metal that can change from a liquid to gas. MERCURY has many uses, but it can also be harmful to humans and wildlife. Where do …
Mercury Facts - Interesting Facts about Planet Mercury
Mercury is the smallest planet in the Solar System. One of five planets visible with the naked eye a, Mercury is just 4,879 Kilometres across its equator, compared with 12,742 Kilometres for …
Mercury Planet: Definition, Density, Color, Facts, Discovery ...
Mar 27, 2025 · Mercury is the smallest planet in the solar system and the closest to the Sun. Mercury exhibits a grayish color, high density, and extreme temperature fluctuations between …