Science chemistry help?

  • Thread starter Thread starter Zakkk Q
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Zakkk Q

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Okay so i was wondering what the answer to this is :

Metals conduct electricity.
The particles in metals which move to conduct electricity are

A catalysts
B protons
C ions
D electrons


On many sites it says its electrons but i tried a multiple choice paper on internet and it says ions any idea what the answer really is?

Same with this question:

All metals
A are brittle
B have low boiling points
C are good conductors of heat
D have low melting points

Im pretty sure theyre good conductors of heat but the mark scheme says its because they have low melting points help please 10 points + gratitude

thanks in advance
 
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