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प्रश्न
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
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उत्तर
Most electronegative 17 [VIIA].
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संबंधित प्रश्न
What are the following group known as?
Group 18
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Inert gases do not form compounds.
Write a short note on the following type of element –
halogens
Write a short note on the following type of element –
noble gases
‘The periodic table contains elements methodically grouped together’.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group whose elements are unreactive or inert.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
