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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
Give two example of group 17 elements.
Which element has two shells, both of which are completely filled with electrons?
State how the valency of elements varies in a period of the periodic table?
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Compare Modern Periodic Law with Mendeleev's Periodic Law.
To the left of the zig-zag line in the periodic table are the metal elements.
Explain structure of modern periodic table in short.
What is the symbol of the element Tungsten?
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
