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प्रश्न
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 |
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उत्तर
| List – I | List – II |
| 1. Highly reactive, univalent metals | C: Alkali metals |
| 2. Highly reactive, univalent non-metals | A: Halogens |
| 3. Unreactive, inert elements | E: Noble gases |
| 4. Elements of group 3 to 12 [IB to VII B and VIII] | B: Transition elements |
| 5. Radioactive elements | F: Actinide series |
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संबंधित प्रश्न
What are the following group known as?
Group 1
Name two elements of each group.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
Write the electronic configuration of the first two alkaline earth metals.
Give reason:
Inert gases do not form compounds.
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
noble gases
Give a reason for the following:
Noble gases do not form compounds readily.
