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The metals have more number of free electrons than that of paper wood or plastic which are insulating materials. And also in metals valence band and conduction band are overlapped whereas energy gap in the case of insulators is high there by conductivity of metals are more than the paper wood or plastic.
What else can I help you with?
What is the best insulator waxed paper or plastic cups?
Waxed paper is a better insulator than plastic cups because it is generally thicker and has a lower thermal conductivity. Waxed paper traps heat better, making it a more effective insulator for maintaining the temperature of liquids.
Is it true or false that physical properties of metals are independent of the number of delocalized electrons they have?
False. The physical properties of metals, such as conductivity and ductility, are influenced by the number of delocalized electrons they have. More delocalized electrons generally result in better conductivity and other related properties.
What type of cup keeps water warm the longest-plastic paper styrofoam or glass and why results?
A glass cup would keep water warm the longest because glass is a good insulator and retains heat well compared to plastic, paper, or styrofoam which are poorer insulators. This is because glass has a lower thermal conductivity compared to the other materials, so heat escapes more slowly.
Are most elements not metal?
No, most elements are metals. The majority of elements on the periodic table are classified as metals, with properties like luster, conductivity, and malleability. Non-metals and metalloids make up a smaller portion of the elements.
What are the differences between ferrous and non ferrous metals?
Ferrous metals contain iron and are prone to rusting, while non-ferrous metals do not contain iron and are generally more resistant to corrosion. Ferrous metals are magnetic, while non-ferrous metals are not. Non-ferrous metals are often lighter and have higher conductivity compared to ferrous metals.
What is the best insulator waxed paper or plastic cups?
Waxed paper is a better insulator than plastic cups because it is generally thicker and has a lower thermal conductivity. Waxed paper traps heat better, making it a more effective insulator for maintaining the temperature of liquids.
Is paper or plastic a better conductor?
Copper is a better conductor of electricity than both paper and plastic. Paper and plastic materials are poor conductors of electricity compared to metals like copper, which have a higher density of free electrons that can carry electric charge more effectively.
Why are cookers made of metals and not plastic?
Cookers are made of metals because metals have better heat conductivity and are more durable compared to plastic. Metals can withstand high temperatures without deforming or releasing toxic chemicals, making them more suitable for cooking appliances. Plastic is not as heat-resistant and may melt or release harmful substances when exposed to high heat.
Which can support more paper or plastic bags?
Plastic bags can support more weight but paper bags can support more items
Is the electrical conductivity of molten metals high or low?
Metals are already good electrical conductors, and melting metals increases their electrical conductivity. All that heat (thermal energy) allows electrons a lot more mobility so they can more effectively contribute to current flow.
What is consumed more by people paper or plastic?
paper
Why do some materials get hot more quickly than others?
Materials get hot more quickly than others because of differences in their thermal conductivity. Materials with high thermal conductivity, such as metals, can quickly and efficiently transfer heat, leading to faster heating. On the other hand, materials with low thermal conductivity, like wood or plastic, heat up more slowly because they are not as efficient at transferring heat.
Which can support more weight a paper or a plastic grocery bag?
Paper, the handles on the plastic are pretty weak.
Is conductivity of a metal a chemical?
Conductivity is not a chemical, it is the faculty of different metals to allow electrons to travel inside a conductor with more or less ease. This is a physical property.
Why do you usually choose copper for wires and not other metals?
Copper is used because of its higher conductivity. Although silver has more conductivity then copper but it is not used because of its cost, however silver is used in some specialized equipments such as satellites. Copper or any other metals conductivity properties is based on its electronegativity. Generally, all metals must have low electronegativity and ionization energies. But all metals do not have the same electronegativity levels.
What pollutes the air more plastic or paper?
Burning plastic releases toxins into the atmosphere. Therefore, plastics pollute the air more than burning paper (the paper could be recycled or composted).
What are the main characteristics of conductive plastic?
Conductive plastic is a more organic polymers that conducts a type of bondage. Such compounds are known to have metallic conductivity or can be semiconductors.
