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What characteristic of metals makes them good electrical conductors?
What characteristic of metals makes them good electrical conductors?
They have mobile valence electrons.
They have mobile protons.
They have mobile cations.
Their crystal structures can be rearranged easily.
4 Answers
- 1 decade agoFavorite Answer
Electrical current is flow of electrons, making the first answer the one you are looking for. Proton manipulation is nuclear (fusion/fission), cations and crystal structure have nothing to do with electricity.
- 1 decade ago
It would be mobile valence electrons. The free electrons are what move to cause electricity. Gold is the best conductor.
- KarenLv 45 years ago
A is the correct answer. Metallic structures form lattices of positive ions, where outer valence shell electrons are delocalised, so the metal ions have a full outer shell. These delocalised electrons can flow through material carrying charge, hence conducting electricity.
