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प्रश्न
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
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उत्तर
The number of valence electrons remains the same as we go down a group.
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What are the following group known as?
Group 17
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
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.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
