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प्रश्न
What are the following group known as?
Group 18
उत्तर
Group 18 is known as Noble gases or Inert gases or Zero group elements.
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संबंधित प्रश्न
What are the following group known as?
Group 17
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 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.
Name the alkali metals, How many electron(s) they have in their outermost orbit.
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 –
noble gases
‘The periodic table contains elements methodically grouped together’.
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 |
