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प्रश्न
Answer the following in respect of element
Give its electronic configuration.
उत्तर
Electronic configuration of
संबंधित प्रश्न
Why do all the elements of the same group have similar properties?
Name the scientist who prepared modern periodic table.
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State the modern periodic law.
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Nitrate
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
State the number of elements in Period 3 of the Periodic Table.
How does the property vary in periods and in groups?
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