Below is the structure of a chromium.Explain why this metal able to conduct heat.It has strong metallic bonds.It has delocalised electrons.It has weak forces between the layers.It has strong covalent bonds.
Question
Below is the structure of a chromium.Explain why this metal able to conduct heat.It has strong metallic bonds.It has delocalised electrons.It has weak forces between the layers.It has strong covalent bonds.
Solution
Chromium, like other metals, is a good conductor of heat due to its unique structure and properties. Here's a step-by-step explanation:
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Strong Metallic Bonds: Chromium atoms are held together by strong metallic bonds, which are formed by the attraction between positively charged metal ions and the sea of delocalised electrons surrounding them.
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Delocalised Electrons: These are electrons in the outer shell of the metal atoms that are not attached to any particular atom. They are free to move throughout the entire structure of the metal. When heat is applied, these electrons gain kinetic energy and move faster. As they move, they collide with other electrons and atoms, transferring the energy and spreading the heat throughout the material. This is the main reason why metals like chromium are good conductors of heat.
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Weak Forces Between Layers: While the bonds within each layer of chromium atoms are strong, the forces between the layers are relatively weak. This allows the layers to slide over each other easily, which is a characteristic of metals. However, this property is more related to the malleability and ductility
Similar Questions
Which property of metals makes them good conductors of heat?A.Their mobile electronsB.Their hardnessC.Their melting pointD.Their ductilitySUBMITarrow_backPREVIOUS
Chromium is a solid at room temperature.Which one of the following explains why chromium is a solid at room temperature?It has a high boiling & melting point.It is malleable.It is ductile.It has a high density.
utline the nature of the metallic bonding present in chromium.
Explain why materials with smooth, dense structures conduct heat more easily.
Metallic bonding always occurs between:Noble gasesMetal atomsNon-metal atomsMetal and non-metal atoms2A metallic bond is the electrostatic attraction between:Positive ions and delocalised electronsNegative ions and delocalised electronsElectrons and delocalised negative ionsElectrons and delocalised positive ions3Which of these is a property of metals?Poor conductors of electricityLow boiling pointsMalleableLow melting points4Which of the following statements best describes why metals are good conductors of heat?Metallic bonds are very strongLayers of metal atoms can slide past one another easilyMetals have high melting pointsThe delocalised electrons can carry thermal energy through the substance5Which of the following is a metal alloy?AluminiumCopperSteelIron6Metal alloys are generally harder and stronger than the individual elements they are made from. This is because the atoms of each element are of a different size and therefore:Disrupt the regular layers of ions, making them less malleableIncrease the size of the latticeLead to an increase in boiling pointLead to an decrease in boiling point
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