classification of elements and periodicity in properties

What is periodicity of properties in Simple Words?

Periodicity of Properties According to the fundamental law regulating the contemporary periodic table, an element’s properties are periodic functions of its atomic number. These characteristics repeat frequently or follow a specific pattern frequently. The periodicity of properties is the name given to this phenomenon. EXPLANATION Due to the repetition of comparable electronic configurations with the …

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Chemistry Class 9 Chapter 3 Important MCQs Federal Board

Chemistry Class 9 Chapter 3 Important mcqs Federal Board Periodic Table and Periodicity of Properties Important Multiple Choice Questions 1) Total number of periods in the periodic table are ___. A) 7 B) 8 C) 11 D) 10 Answer: A (7) 2) An element whose last electron enters into s-subshell is a ___ block element. …

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