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प्रश्न
Name the gas used in:
Light bulbs
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उत्तर
Argon
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संबंधित प्रश्न
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 first three alkaline earth metals.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
How do alkaline earth metals occur in nature?
Write the electronic configuration of the first two alkaline earth metals.
Write a short note on the following type of element –
halogens
Select the correct answer from the options given below.
The most reactive halogen from group 17.
Give a reason for the following:
Noble gases do not form compounds readily.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
