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Why magnesium has a lower melting …

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Why magnesium has a lower melting point than calcium and the following elements of its group?

Posted by Veena Sharma 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Vemula Chowdary 6 years, 1 month ago

All of these elements are held together by metallic bonds. The melting points get lower as you go down the Group because the metallic bonds get weaker. The oddity of magnesium has to be explained separately. The atoms in a metal are held together by the attraction of the nuclei to the delocalised electrons.

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