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प्रश्न
Fill in the blank in the following statement:
On going down in a group in the periodic table, the metallic character of elements ...............
उत्तर
On moving down in a group of the periodic table, the metallic character of elements increases.
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संबंधित प्रश्न
Taking the example of an element of atomic number 16, explain how the electronic configuration of the atom of an element relates to its position in the modern periodic table and how valency of an element is calculated on the basis of its atomic number.
Write the atomic numbers of two elements 'X' and 'Y' having electronic configuration 2, 8, 2 and 2, 8, 6 respectively.
How do atomic structures (electron arrangements) change in a period with increase in atomic numbers from left to right?
How can the valency of an element be determined if its electronic configuration is known?
Atomic number of metal ‚A‛ is 11, while atomic number of metal ‚B‛ is 20. Which of them will be more reactive? Write the chemical reaction of dilute HCl with metal ‚A‛.
'In a group, the atomic radii increase with increasing period number', explain this statement and justify it with reference to group 17.
Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide.
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the valency,
Name the elements in Period 1.
Name or state following with reference to the element of the first three periods of the periodic table.
The valency of elements in group 1 [I–A].
