Periodic Properties and Variations of Properties – Physical and Chemical
Science Solutions from Chapter -1 - Periodic Properties and Variations of Properties – Physical and Chemical
In this unit, we will study the early attempts of the classification of elements. We will explore the modern periodic table, atomic number and mass number. Furthermore, we will learn about the periodicity concept and properties.
Practice Other Topics from Periodic Properties and Variations of Properties – Physical and Chemical
In this topic, we will learn about the early attempts of classification of elements. It also briefs on the Dobereiner's triads and Newlands law of octaves in detail.

In this topic, we shall study the modern periodic table in detail along with the position of elements in modern periodic table. We will also study about valencies and atomic size in detail.

In this topic, we will understand the need and importance of the classification of elements. It explains how the classification makes the study of elements easy via examples.

This topic discusses the four types of shells present in an atom with the help of diagrams. We will also study the methods to determine a valency of an element. It illustrates the examples to explain the calculation of a valency.

In this topic, we will learn the periodic trends in physical and chemical properties of elements. We will learn the anomalous properties of second-period elements. A brief note on periodic variations in element properties is also given here.

This topic explains atomic number and mass number. It describes neutrons and protons. It also encompasses notation for an atom, mass number, and symbol of the element. Several examples are also given here to understand the topic in a better way.

In this topic, we will learn about alkali metals and their properties. It describes the properties and unique features of halogens. It also discusses the exceptions shown by alkali metals and halogens.
