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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 18
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.
Noble gas having electronic configuration: 2, 8, 8.
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Write the electronic configuration of the first two alkaline earth metals.
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
alkaline earth metals
‘The periodic table contains elements methodically grouped together’.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
