Exam code: 9701
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Metallic Bonding
Magnesium is a lightweight metal used for the manufacturing of car seats.
Describe the structure and bonding present in solid magnesium.
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Explain why magnesium has a considerably higher boiling point than sodium.
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Explain why metals are suitable for manufacturing shaped objects such as railings.
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Describe metallic bonding.
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In terms of ions and electrons, complete Table 2.1 to identify one similarity and one difference between metallic bonding and other types of bonding.
Table 2.1
| Similarities with metallic bonding | Differences to metallic bonding |
Covalent bonding |
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Ionic bonding |
|
|
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State two factors that affect the strength of metallic bonding in metals.
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Draw a diagram showing the structure of magnesium.
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Identify the highest energy orbital which contains electrons in a magnesium atom.
Sketch the shape of this orbital.
identity of highest energy orbital in Mg ..............................
shape
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Mg reacts with Si to form the ionic compound magnesium silicide, Mg2Si
Draw the dot-cross structure of Mg2Si.
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