In Mendeleev's periodic table, elements are arranged in increasing order of their atomic number
Therefore, the given statement
“In Mendeleev's periodic table, elements are arranged in increasing order of their atomic number ” is False.
Question 46 (a) In this ladder (Figure 5.2) symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
(b) Arrange them in the order of their group also.
The elements in the periodic table are arranged in the _______ (increasing/decreasing) order of their atomic number.
Which of the following statement (s) about the Modern Periodic Table are incorrect
(i) The elements in the Modern Periodic Table are arranged based on their decreasing atomic number.
(ii) The elements in the Modern Periodic Table are arranged based on their increasing atomic masses.
(iii) Isotopes are placed in an adjoining group (s) in the Periodic Table.
(iv) The elements in the Modern Periodic Table are arranged based on their increasing atomic number.
The elements are arranged in the decreasing order of their atomic numbers in a periodic table.