Metallic Bonding
1. This question has 5 part(s).
1.1. This question is about magnesium.
Magnesium can be shaped easily. Place ticks in boxes by the two statements which explain why metals can be shaped.
The atoms are all joined by ionic bonds. | |
The atoms can slide over each other. | |
The atoms are small. | |
The atoms are in layers. | |
The atoms are different sizes |
1.2. The boxes give two properties of metallic compounds and possible explanations for these properties.
Draw one straight line from each property to the correct explanation.
1.3. What is meant by an alloy?
1.4. Magnesium can be mixed with other elements to form an alloy to make it harder. The structure of an alloy is shown.
Complete the sentence to explain why an alloy is harder than a pure metal:
The atoms in an alloy are different ____________________ so the layers are unable to ____________________ over each other when pressure is applied.
1.5. Why is it incorrect to describe an alloy as a compound?
Ai এর মাধ্যমে
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