Define modern periodic law.
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
[tex]\huge\red{\underline{{\boxed{\textbf{ANSWER}}}}}[/tex]
★ The modern Periodic law can be stated as: “The physical and chemical properties of the elements are periodic functions of their atomic numbers”. The atomic number is equal to the number of electrons or protons in a neutral atom.
Answer:
1) in 1913 English scientists Henry Moseley discovered that atomic number is the most fundamental property of an its atomic mass
2) atomic number ( z) of an element is the number of protons present in the nucleus of atom
3) Law : ''properties of element are periodic function of their atomic number