Metals are good conductors of electricity than non-metals because:
Metals have bound electrons which cannot move easily
Metals have free electrons which can move from atom to atom easily
Non-metals have bound electrons which cannot move easily
Non-metals have free electrons which can move from atom to atom easily
A
Metals have free electrons which can move from atom to atom easily
B
Non-metals have free electrons which can move from atom to atom easily
C
Metals have bound electrons which cannot move easily
D
Non-metals have bound electrons which cannot move easily
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Solution
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Metals have free electrons which can move from atom to atom easily, whereas non-metals do not, their electrons are 'bound' meaning they cannot move easily. That's why metal are usually good conductors than non-metals.
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