Web4 nov. 2024 · The most abundant element in the Earth's crust is oxygen, making up 46.6% of Earth's mass. Silicon is the second most abundant element (27.7%), followed by aluminum (8.1%), iron (5.0%), calcium (3.6%), sodium (2.8%), potassium (2.6%). and magnesium (2.1%). These eight elements account for approximately 98.5% of the total … WebOverall, the core makes up about 15 percent of Earth's total volume and about one-third of its mass. · Evidence from the nature of meteorites indicates that Earth's core is mostly …
Scientists estimate Earth
WebThe crust is the thinnest layer of the Earth. It has an average thickness of about 18 miles (30km) below land, and around 6 miles (10km) below the oceans. The crust is the layer that makes up the Earth’s surface and it lies on top of a harder layer, called the mantle. Together, the crust and the upper mantle form the Earth’s outer shell. http://butane.chem.uiuc.edu/pshapley/Environmental/L26/1.html is byte or smile direct better
Answered: Silicon, which makes up about 25% of… bartleby
Web24 mei 2024 · The Earth's crust is the thin Ground layer that we all live on. it is one of the Earth’s layers that has been built from many types of rocks, that rock layer represents … Web15 jul. 2024 · “ Crust ” describes the outermost shell of a terrestrial planet. Our planet ’s thin, 40-kilometer (25-mile) deep crust —just 1% of Earth ’s mass—contains all known life in the universe. Earth has three layers: the crust, the mantle, and the core. The crust is made of solid rocks and minerals. Web4 percent of Earth’s crust. The other alkali metals are considerably more rare, with rubidium, lithium, and cesium, respectively, forming 0.03, 0.007, and 0.0007 percent of Earth’s crust. Francium, a natural radioactive … is byte reputable