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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
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Name the method by which alkali metals can be extracted.
Name the first three alkaline earth metals.
Write the electronic configuration of the first two alkaline earth metals.
Give reason:
Alkali metals and halogens do not occur free in nature.
Give reason:
Inert gases do not form compounds.
‘The periodic table contains elements methodically grouped together’.
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 whose elements are unreactive or inert.
