Because different atoms and molecules hold their electrons more or less tightly.
good conductors are better emitters
Coins are made of metal and metals are good conductors of electricity.
No, nonmetals are generally poor conductors of heat and electricity. This is because they do not have freely moving electrons that can carry the heat or electric charge effectively. Metals, on the other hand, are good conductors due to the presence of delocalized electrons.
Yes.
Materials that are poor conductors of heat are Plastic and Wood "example."
metals are shiny and good conductors of heat and electricity. Nonmetals are dull and poor conductors of heat and electricity.
No. Non-metals are very poor conductors, and with the exception of Neon, so are the gaseous elements.
Non metals are poor conductors of heat and are not conductors of electricity , except for carbon , which is can conduct a little bit of electricity. Non metals are poor conductors of heat and are not conductors of electricity , except for carbon , which is can conduct a little bit of electricity.
Metals are good conductors of heat. Plastics and wood are very poor.
Metals are generally good conductors of electricity, as they have free-moving electrons that can carry electric current. Nonmetals, on the other hand, are poor conductors of electricity, as they lack free-moving electrons to conduct electricity effectively.
No, a good conductor of electricity is not a poor conductor of electricity. Good conductors like metals have high electrical conductivity, while poor conductors like wood or rubber have low electrical conductivity. The distinction lies in how easily they allow the flow of electric current.
Metals are associated with being shiny and good conductors of electricity. They are typically not dull, brittle, or poor conductors of electricity.