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प्रश्न
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
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उत्तर
Highly reactive group 17 [VII – A].
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
What are the following group known as?
Group 18
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.
Write the electronic configuration of the first two alkaline earth metals.
Name the gas used in:
Filling balloons
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’.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
