The outer cores is made up of mostly iron and nickel in a liquid state.
The element that makes up most of the earths CORE is iron.
iron
scientists think that the earths core is made up of mostly iron, and contains smaller amounts of copper nickel.
no
The centre of the Earth's core - is a solid iron sphere.
assorted gases
It makes up the majority of the molten core of the earth.
Iron is the primary element that makes up most of the Earth's core. It accounts for about 85% of the core's composition, with the rest likely being nickel in combination with some lighter elements.
MANTLE
The core is 33% of the Earths mass
The principle element found at the Earth's core is iron.
Because it is less dense than the material that makes up the earth's crust, but more dense than the material that makes up the air.