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प्रश्न
What are the following group known as?
Group 17
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उत्तर
Group 17 is known as halogens.
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संबंधित प्रश्न
What is meant in the periodic table by a group?
What are the following group known as?
Group 18
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas with duplet arrangement of electrons.
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.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Name the gas used in:
Filling balloons
Give reason:
Inert gases do not form compounds.
Write a short note on the following type of element –
noble gases
