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प्रश्न
Select the correct answer from the options given below.
Is the group number of the element whose atomic number is 4.
पर्याय
group – 1
group – 2
group – 18
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उत्तर
group – 2
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संबंधित प्रश्न
Name the element that has two shells, both of which are completely filled with electrons.
Which element has the electronic configuration 2, 8, 2?
Name the element which is in seventeenth group and second period.
Arrange the following elements in the increasing order of their metallic character:
Mg, Ca, K, Ga
Fill in the blank in the following statement:
The tendency to gain an electron ............... on moving down in a group of the periodic table.
How does the number of:
valence electrons and
What is meant by periodicity of elements?
Fill in the blank
There are ______ groups and ______ periods in the modern form of periodic table.
Element P has atomic number 19. To which group and period, does P belong? Is it a metal or a non-metal? Why?
Name or state following with reference to the elements of the first three periods of the periodic table.
A metalloid in period 2 and in period 3.
