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प्रश्न
Moving down in the second group, number of valence electrons ______.
उत्तर
Moving down in the second group, the number of valence electrons remains the same.
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संबंधित प्रश्न
Write any one difference in the electronic configurations of group-1 and group-2 elements ?
What happens to the metallic character of the elements as we go down in a group of the periodic table?
Explain why, the properties of elements are repeated after 2, 8, 18 and 32 elements in the periodic table.
Periodicity is observed due to the similar ______.
Fill in the blank
Oxidising property ________from fluroine to iodine because the power to accpet electron decreases.
State the number of elements in period 1, period 2 and period 3 of the periodic table.
Name the elements in period 1.
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
Based on the group valency of element write the molecular formula of the following compound giving justification:
Oxide of first group elements.
Based on the group valency of element write the molecular formula of the following compound giving justification:
Compound formed when an element A of group 2 combines with an element B of group seventeen.
