Answer:
Above the Curie temperature, a magnet permanently loses all or some of its magnetism. External magnetic fields: Strong, opposing magnetic fields can cause the magnetic domains to lose their orientation and relax into a lower state of energy where they are not aligned.
Explanation:
Therefore 0.2 moles of sodium (Na) contains 12.046×1023atoms in it.
3)
It has more surface area to react with
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Answer:
Elements -------> Formulae
a). Tungsten ----> W
b). Lead -----------> Pb
c). Calcium ------> Ca
d). Ziriconium --> Zr
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