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प्रश्न
Give reason:
Inert gases do not form compounds.
उत्तर
Inert gases have 2 or 8 electrons (duplet/octet) in their outermost orbit. That is their electronic arrangement is very stable, so they are unreactive and do not form compounds.
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संबंधित प्रश्न
What is meant in the periodic table by a group?
Name two elements of each group.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Name the gas used in:
Filling balloons
State the characteristics which remain similar in moving down in a group of the periodic table.
Write a short note on the following type of element –
alkali metals
‘The periodic table contains elements methodically grouped together’.
Select the correct answer from the options given below.
The most reactive halogen from group 17.
