Task-5
a)
• Metals
Metal structure is made up of crystals of metals which are made up of positive metal ions and these ions are surrounded by a sea of delocalized electrons. To separate these substances from this crystal lattice a lot of energy is needed. In between the positive and negative ions is present a strong electrostatic force of attraction. That is the reason why metals have strong melting and boiling points. In order to slide one layer of the metal ions over the other layer very less amount of energy is used. Therefore, metals are malleable and can be formed into any shape. In this metal crystal, the sea of delocalized electrons are mobile. As soon as the potential difference is applied to a piece of metal, the electrons starts moving …show more content…
Melting and Boiling Points:
The particles/substances which are present in a metal are held or joined together by strong metallic bonds. A lot of energy is used to separate these particles.
That is why metals have high melting and boiling point. Metals are solid as well as crystalline. They are arranged in a regular pattern and are held closed together.
2. Electrical Conductivity:
Metals conduct electricity. The sea of delocalized electrons are mobile and are free to move around in the 3D structure of metals. The electrons can even cross grain the boundaries. The metallic bond is present in the structure of a metal until the atoms are touching each other.
Metals which are known to be liquid conducts electricity although the metal atoms are moving here and there, and the force of the delocalized electrons remains until the metal boils.
3. Thermal Conductivity:
The process of colliding of metals with one another is known as Kinetic Energy. When the atoms of the molecules collide, heat energy is produced/released. More atoms colliding, make more energy to release. Therefore, metals are very good conductors of heat.
4. Malleability and Ductility:
-Malleable- To be beaten into sheets
-Ductile- To be drawn into
a)
• Metals
Metal structure is made up of crystals of metals which are made up of positive metal ions and these ions are surrounded by a sea of delocalized electrons. To separate these substances from this crystal lattice a lot of energy is needed. In between the positive and negative ions is present a strong electrostatic force of attraction. That is the reason why metals have strong melting and boiling points. In order to slide one layer of the metal ions over the other layer very less amount of energy is used. Therefore, metals are malleable and can be formed into any shape. In this metal crystal, the sea of delocalized electrons are mobile. As soon as the potential difference is applied to a piece of metal, the electrons starts moving …show more content…
Melting and Boiling Points:
The particles/substances which are present in a metal are held or joined together by strong metallic bonds. A lot of energy is used to separate these particles.
That is why metals have high melting and boiling point. Metals are solid as well as crystalline. They are arranged in a regular pattern and are held closed together.
2. Electrical Conductivity:
Metals conduct electricity. The sea of delocalized electrons are mobile and are free to move around in the 3D structure of metals. The electrons can even cross grain the boundaries. The metallic bond is present in the structure of a metal until the atoms are touching each other.
Metals which are known to be liquid conducts electricity although the metal atoms are moving here and there, and the force of the delocalized electrons remains until the metal boils.
3. Thermal Conductivity:
The process of colliding of metals with one another is known as Kinetic Energy. When the atoms of the molecules collide, heat energy is produced/released. More atoms colliding, make more energy to release. Therefore, metals are very good conductors of heat.
4. Malleability and Ductility:
-Malleable- To be beaten into sheets
-Ductile- To be drawn into