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Question 1
The image below shows some of the elements of the periodic table. |
a) | Identify, from the elements in the table, an alkali metal.
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b) | Identify, from the elements in the table, a transition metal.
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c) | Identify, from the elements in the table, a halogen.
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d) | Identify, from the elements in the table, a noble gas.
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e) | Identify, from the elements in the table, a group 5 element.
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Question 2
Elements can be divided into two groups, metals and non-metals. |
a) | For each of the properties below, state whether they are properties of metals or non-metals.
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b) | The image below shows an outline of the periodic table. |
b) i) | Which section of the periodic table contains metals? A B C
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b) ii) | Which section of the periodic table contains non-metals? A B C
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c) | Give two differences between the physical properties of the elements in group 1 and those of the transition elements.
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Question 3
Magnesium and calcium are metals in group 2 of the periodic table. The diagrams show their electronic structures. |
a) | Why do magnesium and calcium have similar chemical properties?
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b) | Calcium is more reactive than magnesium. Suggest an explanation for this in terms of the electronic structure of the two elements.
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c) | Beryllium is the first element in group 2. Beryllium has an atomic number of 4. Draw the electronic structure of beryllium.
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