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Chemistry > Exam Questions > Flashcards

Exam Questions Flashcards

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0
Q

Explain why carbon has a high melting point. [3]

A

Giant macromolecular structure

Strong covalent bonds

Lots of energy required to break these bonds

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1
Q

Explain why the melting point of Al is higher than Na? [3]

A

Al has more electrons in outer shell so it forms stronger ions

Nuclear charge is higher

More delocalised electrons so there is stronger electrostatic forces of attraction between cations and delocalised electrons

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Chemistry (7 decks)

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