Question

1) Define modern periodic how?
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Answer 1

Answer:

Modern Periodic Table, also known as the Periodic Table, is a tabular arrangement in which chemical elements are arranged according to their atomic numbers, configuration of electrons and chemical properties. A Modern Periodic Table consists of four block, i.e., the “S”, “P”, “D” and “F” blocks.

Answer 2

Answer:

Explanation:

Modern Periodic Law Definition 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.