Question

the correct order of melting point of the elements LA, Y,Sc

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Answer 1

Answer:

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Answer 2

Melting point:

Explanation:

• Melting point is the temperature at which the solid and liquid forms of a pure substance can exist at equilibrium.
• As heat is applied to a solid, its temperature will increase until it reached the melting point.
• Kelvin is the SI unit of the melting point of material. Lanthanum is a chemical element with the symbol La in the periodic table & having melting point is 920 °C.
• Yttrium is a chemical element with the symbol Y in the periodic table & having melting point is 1,526 °C.
• Scandium is a chemical element with the symbol Sc in the periodic table & having melting point is 1,541 °C.
• Hence the increasing order of elements according to the melting power is as follows:

       LA < Y < Sc