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The correct order of melting point of given elements is: 

(1) Be < Mg < Ca < Sr < Ba

(2) Mg < Ba < Sr < Sr < Be

(3) Mg < Be < Sr < Ca < Ba

(4) Ba < Be < Ca < Sr < Mg

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Best answer

Correct option is (3) Mg < Be < Sr < Ca < Ba

Property Beryllium Be Magnesium Mg Calcium Ca Strontium Sr Barium Ba Radium Ra
m.p/K 1560 924 1124 1062 1002 973

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