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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 periodicity in properties of elements with reference to the Modern Periodic Table?
What are the advantages of the periodic table?
What is the main characteristic of the last element in each period of the periodic table?
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
Find the odd one out and give its explanation.
Answer the following question in one sentence.
The modern periodic table is divided into which blocks?
Noble gases belong to______ group of the periodic table.
The arrangement of elements in the Modem Periodic Table is based on their ______
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
