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प्रश्न
What are the following group known as?
Group 18
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उत्तर
Group 18 is known as Noble gases or Inert gases or Zero group elements.
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संबंधित प्रश्न
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 first three alkaline earth metals.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
How do alkaline earth metals occur in nature?
Write the electronic configuration of the first two alkaline earth metals.
Name the gas used in:
Bright colour advertising light works
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
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 |
