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प्रश्न
What is meant in the periodic table by a group?
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उत्तर
Vertical columns in a periodic table that have the same number of valence electrons and similar chemical properties are called a group.
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संबंधित प्रश्न
What are the following group known as?
Group 17
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Name the first three alkaline earth metals.
How do alkaline earth metals occur in nature?
Give reason:
Inert gases do not form compounds.
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
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.
