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प्रश्न
Name the scientist who stated the modern periodic law.
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उत्तर
Henry Moseley stated the modern periodic law.
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संबंधित प्रश्न
How were the positions of isotopes of an element decided in the modern periodic table?
How were the positions of cobalt and nickel resolved in the modern periodic table?
On the basis of electronic configuration, how will you identify chemically similar elements?
Define:
Periodic table
Name the type of elements which have outermost shell complete.
Give the symbol and valency of the following element and radical.
Hydrogen
Which of the following statements about the Modern periodic table is correct?
______ is the longest period in the periodical table.
An element belonging to 3d series of modern periodic table has spin magnetic moment = 5.92 B.M. in +3 oxidation state. The atomic number of elements are ______.
Match the atomic number with the following:
An element of group 2.
