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प्रश्न
State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
उत्तर
Systemetic study of all elements is the main aim of classifying elements. The atomic number of an element is the more fundamental property of element that is used in the development of Modern Periodic Table. The Modern Periodic Law was given based on this fundamental property. This law can be stated as follows:
‘Properties of elements are a periodic function of their atomic number.’
Positions of metals, non-metals and semi-metals in the Periodic Table are given following.
- The metals are found towards the left-hand side of the Periodic Table.
- The non-metals are found on the right-hand side of the Periodic Table.
- The semi-metals or metalloids are found in the middle of the periodic table along a zig-zag line that separates metals from non-metals.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The basis for modern periodic table is ...............
On which side of the periodic table will you find metals?
What are the merits of the modern periodic table of elements?
What are the periods in a periodic table? Give two characteristics of each.
Name the type of elements which have two outermost shell incomplete.
The electronic configuration of an element T is 2, 8, 8, 1.
What is the group number of T?
Write a short note.
Structure of the modern periodic table.
To the left of the zig-zag line in the periodic table are the metal elements.
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Group 16 elements are collectively called as ______.
