What is the inner core made up of?

Question

What is the inner core made up of?

Answer 1

the inner core is made of iron and nickel

density: 12.7-13.0

solid

Answer 2

inner core is pretty much a solid chunk of iron

Answer 3

Earth in its infancy was probably largely covered by extremely hot, molten rock. heavy substances, probably mainly iron and nickel, sank towards the centre of the Earth to form a dense, solid inner core.

Answer 4

if your talking about the inner core of the earth its made up of solid iron and nickle