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प्रश्न
Select the correct answer from the options given below.
It is a period having elements from atomic no. 11 to 18.
पर्याय
period – 1
period – 2
period – 3
उत्तर
period – 3
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संबंधित प्रश्न
Rewrite the following statement after correction, if necessary:
The metallic character of elements in a period increases gradually on moving from left to right.
Periodicity is observed due to the similar ______.
An element A has atomic number 14. To which period does this element belong and how many elements are there in this period.
How does the number of:
valency vary on moving from left to right in the second period of the periodic table?
Name the non-metals present in period 2 and metals in period 3.
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
Element P has atomic number 19. To which group and period, does P belong? Is it a metal or a non-metal? Why?
What is the common feature of the electronic configuration of the elements at the end of Period 2 and Period 3?
Name or state following with reference to the elements of the first three periods of the periodic table.
The number of electron shells in elements of period 1, period 2, and period 3.
Match the option A and B with the statements (i) and (ii):
| A. metal | (i) The metal that forms two types of ion. |
| B. iron | (ii) An element with electronic configuration 2, 8, 8, 3. |
