The Modern Periodic Law was given by ________________.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Moseley
According to modern periodic law, the chemical and physical properties of elements vary in proportion to their atomic numbers.
- It was proposed by Henry Moseley in 1913 based on his X-ray studies.
- Neil Bohr developed the present periodic table.
- It is also known as a longer version of the periodic table.
- It was designed using the current periodic law, which asserts that "the properties of the elements are periodic functions of their atomic numbers." Henry Moseley proposed the periodic law.