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प्रश्न
Name two elements in Inert gas.
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उत्तर
Neon and Argon.
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संबंधित प्रश्न
In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
Name the type of elements which have two electrons in the outermost orbit.
State the modern periodic law for the classification of elements. How many (i) groups and (ii) periods are there in the modern periodic table?
Answer the following question.
How it can be proved that the basic structure of the Modern Periodic Table is based on the electronic configuration of atoms of different elements?
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
Find the odd one out and give its explanation.
Complete the following flow chart.
The scientist who propounded the modern periodic law is ______.
Select the appropriate options and complete the following paragraph:
(metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).
On the basis of electronic configuration, elements in the modern periodic table are classified Into ______ blocks. Groups 1 and 2 elements are included in ______ and all these elements are metals. (except Hydrogen). Group 13 to 18 elements are included in ______. This block contains metals, non-metals and metalloids. Group 3 to 12 elements are included in ______ and all the elements are ______ elements shown at the bottom of the periodic table i.e. Lanthanides and Actinides constitute ______ and all these elements are metals.
