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प्रश्न
______ forms the basis of the modern periodic table.
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उत्तर
Atomic number forms the basis of the modern periodic table.
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संबंधित प्रश्न
What is the number of valence electrons in the atoms of first elements in a period?
State how the valency of elements varies in a period of the periodic table?
On the basis of electronic configuration, how will you identify chemically similar elements?
Name the scientist who stated the modern periodic law.
State its position in the periodic table?
State the modern periodic law for the classification of elements. How many (i) groups and (ii) periods are there in the modern periodic table?
An element A has 2 electrons in its fourth shell. State its electronic configuration.
Give the chemical formula of carbonic acid
______ and ______ are called inner transition elements.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
