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प्रश्न
How many groups and periods does the modern periodic table have?
उत्तर
The modern periodic table consists of seven horizontal rows and eighteen vertical columns.
संबंधित प्रश्न
How many rows and columns are there in the Modem Periodic Table?
Fill in the following blank with suitable word:
Group 1 elements are called ...............
What is the number of elements is 1st period the modern periodic table?
Name two elements in halogens.
Arrange the elements of second and third periods in increasing order of their atomic size.
Third Period.
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
Find the odd one out and give its explanation.
State any five features of modern periodic table.
The amount of energy released when one or more electrons is added to the neutral atom is ______
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
