Chemistry · Oct / Nov 2020 · Paper 12 · Question 28
5070Metallic bonding
Metals have high melting points. What is the reason for this?
- ATheir atoms are joined by strong covalent bonds in a giant lattice.
- BThey have strong forces of attraction between negative ions and delocalised electrons.
- CThey have strong forces of attraction between negative ions and positive ions.
- DThey have strong forces of attraction between positive ions and delocalised electrons.
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Correct answer: D. They have strong forces of attraction between positive ions and delocalised electrons.
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