defence exam Indian Army Nursing Assistant Mock Test Series 2025 General Science Chemistry Classification of Elements and Periodicity in Properties
Which of the following statement(s) is/are false regarding the modern periodic table?
i. In the modern periodic table, the elements are arranged in decreasing order of their atomic numbers.
ii. In the modern periodic table, the elements are arranged in increasing order of their atomic masses.
iii. In the modern periodic table, isotopes are placed in adjacent groups.
iv. In the modern periodic table, the elements are arranged in increasing order of their atomic numbers.
1
Only (i)
2
Only (iv)
3
(i), (ii) and (iv)
4
(i), (ii) and (iii)