Mosley concluded by the X-ray studies of the elements that physical and chemical properties of elements depend upon:
Correct answer: B. Atomic no.
- A. Atomic mass
- B. Atomic no.
- C. Mass no.
- D. All
Explanation
The atomic number has been established as the fundamental characteristic of elements based on the work on x-ray spectra of elements. According to Moseley's periodic law the physical and chemical properties of elements are the periodic function of their atomic .
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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