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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
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 1
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.
How do alkaline earth metals occur in nature?
How many electrons do inert gases have in their valence shells?
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali metals and halogens do not occur free in nature.
Write a short note on the following type of element –
halogens
Give a reason for the following:
Noble gases do not form compounds readily.
