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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
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What is meant in the periodic table by a group?
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
noble gases
Select the correct answer from the options given below.
The most reactive halogen from group 17.
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group whose elements are unreactive or inert.
