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प्रश्न
State Mendeleev's periodic law.
उत्तर
Mendeleev's periodic law: According to Mendeleev's periodic law, the properties of elements are a periodic function of their atomic masses. This means, when the elements are arranged in an increasing order of their atomic masses, the elements with similar properties repeat at a regular interval of the periods
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संबंधित प्रश्न
On what basis elements are arranged in periodi table now?
Answer the following question:
Name two elements having a single electron in their outermost shell.
How did Mendeleev's arrangement of elements correlate with the periodicity of the properties of elements?
At the time of Mendeleev _______ elements were known.
Beryllium : alkaline earth metal : : sodium: _______
According to Mendeleev’s periodic law properties of elements are ______.
Which of the following are the characteristics of isotopes of an element?
(i) Isotopes of an element have the same atomic masses
(ii) Isotopes of an element have the same atomic number
(iii) Isotopes of an element show the same physical properties
(iv) Isotopes of an element show the same chemical properties
Which of the following properties does not match the element of the halogen family?
In Mendeléev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later
List the features of Mendeleev’s Periodic Table.
