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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
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 with duplet arrangement of electrons.
Name the method by which alkali metals can be extracted.
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Give reason:
Alkali metals and halogens do not occur free in nature.
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
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.
Select the correct answer from the options given below.
The most reactive halogen from group 17.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
