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प्रश्न
Define:
Periodic table
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उत्तर
The periodic table is a tabular arrangement of elements in horizontal rows, called periods, and vertical columns, called groups, to classify elements and facilitate their systematic study.
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संबंधित प्रश्न
State how the valency of elements varies in a group of the periodic table?
Correct the statement.
Copper and zinc are representative elements.
What is the number of elements in the 3rd period, of the modern periodic table?
State the number of elements in Period 3 of the Periodic Table.
State any five features of modern periodic table.
Which of these belong to the same period?
| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
What is the symbol of the element Tungsten?
Which of the following elements would lose an electron easily?
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
Explain the position of hydrogen in the periodic table.
