Metallic Bonding

IMPORTANT

Metallic Bonding: Overview

This Topic covers sub-topics such as Steel, Brass, Stainless Steel, Alloys, Thermal Conductivity, Malleability, Metallic Bonding, Crystal Lattice, Hexagonal Close Packing, Metallic Lustre, Face-Centered Cubic Lattice and, Body-Centered Cubic Lattice

Important Questions on Metallic Bonding

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Alloys are harder and stronger than pure metals.

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Steel is an alloy of iron and nickel.

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Explain the malleability of metals using non-directional nature of metallic bond.

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Explain the reasons for the lustrous properties of metals.

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Explain why metals have high melting and boiling points.

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How are metal ions and free electrons arranged in metals?

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Metallic bonds are formed by the transfer of electrons while ionic bonds are formed between two metal atoms.

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Write the differences between metallic and ionic bonds.

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What is the unit cell generated in the hexagonal packing in two dimension?

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Draw the schematic diagram to explain the hexagonal packing in two dimension.

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In a face-centred cubic lattice, the unit cell is shared equally by how many unit cells?

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What is an alloy?

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Define an alloy.

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List three advantages of making alloys giving examples.

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Which two metals are used for making the alloy, bronze?

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What are alloys? How are they useful to us?

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Solder is an alloy of _____ .