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प्रश्न
State modern periodic law.
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उत्तर
It states that "The physical and chemical properties of the elements are a periodic function of their atomic numbers." According to this law, if we arrange the elements based on their increasing atomic numbers, we find that the elements with similar physical and chemical behaviour will be grouped together after a certain interval of elements.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 17 elements are known as ...............
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
How does the chemical reactivity of the halogens vary on going in group 17 of the periodic table?
Name the scientist who stated the modern periodic law.
Give the symbol and valency of the following element and radical.
Carbonate
State what the group number in the Modern Periodic Table signifies. Give a reason why elements in the same group, have similar valency and similar chemical properties.
What are the elements.
In the modern periodic table, elements are arranged according to their ______
Which of the following elements will form an acidic oxide?
What is the general name of the last elements of the Periodic Table?
