The number of periods of the Periodic Table that have two elements, eight elements, 18 elements, and 32 elements should be identified. Concept Introduction: A tabular arrangement of the chemical elements by their atomic number in such a way that the elements with same number of valence shell electrons are present in the same vertical columns called groups. The horizontal rows are known as periods. The complete tabular form of elements is known as the Periodic Table. Elements in the same family have similar chemical and physical properties.

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Chapter 2, Problem 43P

Interpretation Introduction

Interpretation:

The number of periods of the Periodic Table that have two elements, eight elements, 18 elements, and 32 elements should be identified.

Concept Introduction:

A tabular arrangement of the chemical elements by their atomic number in such a way that the elements with same number of valence shell electrons are present in the same vertical columns called groups. The horizontal rows are known as periods. The complete tabular form of elements is known as the Periodic Table. Elements in the same family have similar chemical and physical properties.

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