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प्रश्न
Name the scientist who first of all showed that atomic number of an element is a more fundamental property than its atomic mass.
उत्तर
Moseley was the first scientist who showed that atomic number of an element is a more fundamental property than its atomic mass.
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संबंधित प्रश्न
where should hydrogen be placed in the modern periodic table? Give reason for your answer.
What is the main characteristic of the last elements in the periods of the periodic table? What is the general name of such elements?
What is a group in the periodic table?
What is the number of elements in the 1st period?
Give the symbol and valency of the following element and radical.
Hydroxide
Give the chemical formula of carbonic acid
What are the periods in a periodic table?
______ forms the basis of the modern periodic table.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
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 ______.
