what are the two metals located in the outer core and why do they float??
Answers
The outer core is in a molten state and floats over the inner core of the earth, due to the higher melting point of the inner core that is caused by the higher pressure in that layer, though the temperature is lesser on the outer core.
Iron and Nickel are the correct answers for your question.
It has been found that the earth has an inner core that is solid and molten core by a Danish Seismologist Inge Lehmann. The inner core of the planet Earth is made up of iron and nickel alloy which is completely a solid where the outer layer is liquid that can be seen around the inner core.
It has been estimated that the radius of the inner core is about 70 percentage of the moon surface which is 1,220 kilometers and the temperature is similar to the temperature of the surface of Sun which is 5,430 degree Celsius just because of the inter tectonic plates friction.
The outer core which is in molten state because of the high temperature prevailing in the inner core consists of two major metals. They are Iron and Nickel composed with some other metals like platinum and gold. The outer core is the only liquid layer of the earth which is said to be the authority of managing the gravity of earth.
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