Syllabus Edition
First teaching 2023
First exams 2025
Magnesium is a lightweight metal used for the manufacturing of car seats.
Describe the structure and bonding present in solid magnesium.
Explain why magnesium has a considerably higher boiling point than sodium.
Explain why metals are suitable for manufacturing shaped objects such as railings.
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Describe metallic bonding.
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 | |
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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.
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
Mg reacts with Si to form the ionic compound magnesium silicide, Mg2Si
Draw the dot-cross structure of Mg2Si.
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