scientists think that the earths core is made up of mostly iron, and contains smaller amounts of copper nickel.
Iron.
Liquid Iron
Iron.
calcium is!
Most of them, as the Earth's inner core is equivalent to that of the sun.
Silicon & Oxygen (rocks).
The element that makes up most of the earths CORE is iron.
Refer to complete article at http://en.wikipedia.org/wiki/Inner_core
It makes up the majority of the molten core of the earth.
Iron and nickel
In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.
Liquid Iron
In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.
nitrogen is the most common element in the earths atmosphere
Iron is the most abundant metal in the inner and outer core of the Earth.
Iron.
calcium is!
Iron is an element. It has an atomic number of 26, and by mass, it's the most common element that makes up the Earth ... a large part of Earth's core is iron. Iron is the only element in pure iron.