Tusomesasa.

Explain why Aluminum has high melting point than Magnesium. (3marks)

Suggested resposponses

Aluminium has a higher melting point and boiling point than magnesium. This is because aluminium has a smaller atomic size than magnesium; therefore it has stronger metallic bonds; Aluminium also has more delocalized electrons than magnesium which also contribute to the strength of the metallic bond;