Bonding & Substance Properties
1. This question has 5 part(s).
1.1. This question is about magnesium.
Magnesium can be shaped easily.
Tick (✓) two reasons which explain why metals can be shaped.
Reason why: | Tick |
The atoms are all joined by ionic bonds. | |
The atoms can slide over each other. | |
The atoms are small. | |
The atoms are in layers. |
1.2. Match the following properties of magnesium with 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 in Figure 1.
Figure 1
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
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
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