NEET Chemistry Periodic Table Assertion Reason Question
Assertion (A): The periodic table arranges elements in order of increasing atomic number. | Reason (R): The physical and chemical properties of elements are periodic functions of their atomic numbers.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
The modern periodic law states that the properties of elements are periodic functions of their atomic numbers, and elements are arranged in the periodic table according to increasing atomic numbers.
Found an issue with this question?
Related Questions
More from Periodic Table
More from
Match Column-I with Column-II. Column-I Column-II (a) Cation (i) Larger than parent atom (b) Anion (ii) Smaller than parent atom (c) ...
How many elements are there in the seventh period of the periodic table, considering the filling of the 7s, 5f, 6d, and 7p orbitals?
Assertion (A): Ionization energy generally increases across a period from left to right. | Reason (R): The effective nuclear charge increases across a...