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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?
उत्तर
The number of valence electrons remains the same as we go down a group.
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संबंधित प्रश्न
Name two elements of each group.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name the method by which alkali metals can be extracted.
Name the first three alkaline earth metals.
How do alkaline earth metals occur in nature?
How many electrons do inert gases have in their valence shells?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Alkali metals and halogens do not occur free in nature.
State the main helpful features of the long form of the periodic table.
Give a reason for the following:
Noble gases do not form compounds readily.
