The Earth's core is the part of Earth in the middle of our planet. It has a solid inner coreand a liquid outer core.
Iron should be in the 3d block
1 mole = 70.9
X mole = 140
X=1.9746 moles
X= 1.98 when rounded to 3 significant figures.
Answer:As an ice cube melts, its shape changes as it acquires the ability to flow. However, its composition does not change. Melting is an example of a physical change .
Explanation:
