Scientists think Mercury's interior is comparable to that of Earth. Mercury has a huge liquid metal core surrounded by a silica mantle and a solid outer crust. In the case of Mercury, however, the core accounts for 42 percent of the planet, whereas the core of Earth accounts for only 17 percent. The higher percentage of mercury in comparison with earth suggests that it may be possible to infer some properties of planets from their elemental compositions after they have been detected by transits.
The most abundant element in the universe is hydrogen, which makes up more than 75% of the mass of the cosmos. Next comes helium, which comprises about 25% of the mass of the galaxy. On Earth, the most abundant elements are carbon, oxygen, nitrogen, and phosphorus. The remaining 1-2% is made up of other elements such as iron, silicon, calcium, aluminum, magnesium, potassium, sodium, zinc, sulfur, chlorine, nickel, copper, manganese, europium, gadolinium, tungsten, rhenium, osmium, iridium, uranium.
On Mercury, the most abundant chemical element is mercury. It makes up 95% of the planet's surface gravity. The remaining 5% is composed of oxygen and nitrogen.
It is well known that our planet is mostly made up of ice (70%) with the remainder being rock (30%).
The mantle is mainly magnesium oxide with some silicon dioxide and traces of other elements. The surface is covered by a thin layer of mercury above an iron core.
Magnesium and oxygen are the most abundant elements in the solar system. So, it shouldn't be a surprise that these two elements make up more than 90% of the mantle and Earth's surface.
Silicon forms compounds such as quartz and sand. It is less common than magnesium or oxygen in the mantle but does appear in small quantities. Other elements that may occur in the mantle include sulfur, calcium, aluminum, nickel, potassium, and hydrogen. They all occurred in the solar nebula from which our planet formed so they were probably available to build planets with.
Earth's core is mostly iron with some nickel and platinum. A few atoms of uranium are also present. But its volume is about one-fifth that of the whole planet so it can be neglected for most purposes.
The magnetic field protects us from many particles streaming into Earth's atmosphere from outside the planet.
Mercury is one-half of Mars. It has a two-thirds iron-alloy core and an uncompressed density of 5.3 (Earth's is only 4.08), making it the densest planet. Mercury is the first of the Solar System's resources.
Mercury is the solar system's smallest terrestrial planet, measuring around one-third the size of Earth. It has a thin atmosphere, which allows temperatures to fluctuate between scorching and freezing. Mercury, like Earth, is a dense planet made largely of iron and nickel, with an iron core. However it is not as stable as Earth, being subject to frequent meteorite impacts and large scale volcanic activity.
These traits make Mercury an "inner" planet: it orbits closer to the Sun than any other planet except for Venus (which also orbits closer than Earth). This means that more of the Sun's heat reaches it, causing high temperatures. Also, because it rotates so quickly, all the water on Mercury has evaporated, leaving only barren land covered in lava flows.
The origin of Mercury is still a matter of debate among scientists. Some think it may have formed farther from the Sun and been kicked out by gravitational forces toward its current position; others believe it might be a remnant from when the Solar System was first forming. Most scientists agree that over time, Mercury has been pulled into its present orbit by Earth's gravity.
In addition to being small and hot, Mercury has many features that are unique to this planet. It has a highly elliptical orbit, so it comes within about 30 million km of the Sun at some points but is even able to pass quite far away from it at others.
Mercury is denser than iron, but its bonding structure is weaker than that of iron and most solids, and mercury is in liquid state as a result of this weaker binding structure. This means that mercury will try to take on less energy when it compresses itself which makes it want to become more dense.
Iron has 25% more electrons than mercury and so should be twice as heavy. However, mercury weighs 11 times as much as iron because its binding structure is weak compared to iron. This shows that energy can be transformed into mass even if a solid loses electrons and becomes lighter than air.
Mercury is used because it's soft and can be worked with ease. But if you put iron instead then it would be hard to work with iron because it would be too rigid. Even though it has more electrons than mercury, iron would still be too dense for its binding structure to transform energy completely.
Mercury (Hg) is a naturally occurring metal that is mostly found in the mineral cinnabar, which may contain up to 86 percent mercury. Mercury is released naturally as a result of rock weathering and (or) volcanic activity.... Also, large amounts of mercury are released into the environment through industrial processes such as gold mining with its associated tailings ponds.
The most common source of human exposure to mercury is eating fish that have eaten algae containing high levels of mercury. Other sources include inhalation of mercury vapor, ingestion of contaminated soil or dust, and injection of elemental mercury into veins for treatment of malaria.
Elemental mercury is toxic and should not be ingested. In small quantities, it is used in laboratory experiments because it will combine with other substances to create stable compounds that are no longer soluble in water. These reactions help scientists understand how elements interact with one another.
When people think of harmful chemicals found in the environment, mercury usually comes to mind. However, this element also occurs naturally in some foods, especially fish. Although excessive exposure to mercury can be dangerous, including by way of drinking water, consuming seafood in moderation is one way that people can get adequate amounts of this nutrient.