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Question
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
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Solution
An alkaline earth metal in period 3 is Mg [Magnesium]
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Name two elements of each group.
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Write a short note on the following type of element –
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Match the elements of List – I with their type from List – II.
| List – I | List – II |
| 1. Highly reactive, univalent metals | A: Halogens |
| 2. Highly reactive, univalent non-metals | B: Transition elements |
| 3. Unreactive, inert elements | C: Alkali metals |
| 4. Elements of group 3 to 12 [IB to VII B and VIII] | D: Lanthanide series |
| 5. Radioactive elements | E: Noble gases |
| F: Actinide series |
