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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
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
where should hydrogen be placed in the modern periodic table? Give reason for your answer.
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
What is the number of elements in the 1st period?
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Bisulphate
______ is the longest period in the periodical table.
The scientist who propounded the modern periodic law is ______.
Which of the following statements about the Modern Periodic Table is correct:
Which one of the following elements exhibit maximum number of valence electrons?
