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प्रश्न
How many rows and columns are there in the Modem Periodic Table?
Write the number of periods and groups in the Modern Periodic Table.
उत्तर
In the Modern Periodic Table, there are 18 vertical columns known as Groups and 7 horizontal rows known as Periods.
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संबंधित प्रश्न
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
Name an alkali metal in period 3 and halogen in period 2.
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
Name an element of group 18 which can form compounds.
Give the symbol and valency of the following element and radical.
Bisulphate
Write an Explanation.
Period
Elements in the modern periodic table are arranged in ______groups and______ periods.
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
Group 16 elements are collectively called as ______.
Define periods of modern periodic table.
