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प्रश्न
Name two elements in Inert gas.
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उत्तर
Neon and Argon.
संबंधित प्रश्न
Write the merits of the modern periodic table over Mendeleev’s Periodic table
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
Name the type of elements which have two electrons in the outermost orbit.
Give the symbol and valency of the following element and radical.
Calcium
The K and L shells of the elements Na and Mg contain electrons.
In the modern periodic table, the positions of 1 to 20 elements are shown here. Identify the elements A and B. Write their atomic number.
Noble gases belong to______ group of the periodic table.
State whether true or false. If false, correct the statement.
Lanthanides and actinides are kept at the bottom of the periodic table because they resemble each other but they do not resemble with any other group elements.
______ forms the basis of the modern periodic table.
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
