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Which element is the most abundant in the Earth by mass?
ChemistryEarth Science
Quick Answer
Iron is the most abundant element in the Earth as a whole by mass, because the planet’s core is rich in iron. It makes up roughly one-third of Earth’s total mass.
The Full Story
Iron is the most abundant element in Earth by mass when the entire planet is considered, not just the crust. A large portion of Earth’s iron is concentrated in the core, where it is mixed with nickel and lighter elements under immense pressure. This internal composition helps explain Earth’s magnetic field and layered structure. Iron’s abundance also shaped the development of metallurgy and human civilization.
Key Facts
1.Iron makes up about one-third of Earth’s mass
2.Earth’s core is iron-rich
3.Atomic number: 26
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Suggested video title for this topic:
"The element hiding in the heart of Earth"