Electromagnetic Spectrum: Definition, Examples
Electromagnetic spectrum is the arrangement of all the electromagnetic radiations or waves in the increasing order of their wavelengths or decreasing order of their frequencies.…
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Wave Nature of Electromagnetic Radiation
In this chapter, we will understand the wave nature of electromagnetic radiation with its definition, characteristics, and examples. We know that light is an important…
What are Isotones: Definition, Examples
The atoms of different elements containing the same number of neutrons, but different atomic number (or different number of protons and electrons) are called isotones.…
What are Isobars: Definition, Examples, Difference
When the atoms of different elements have the same mass number but different atomic number, then they are called isobars in chemistry. As the mass…
Isotopes: Definition, Meaning, Examples, Uses
All the atoms of a particular chemical element have the same number of protons in their nuclei, but the number of neutrons may be different.…
What is Mass Number | How to Find it
In this chapter, we will understand what is mass number and how to find it with the help of solved examples. You have studied that…
What is Atomic Number | How to Find it
The number of protons present in the nucleus of each atom of an element is called atomic number of an element. Generally, it is represented…
Discovery of Neutron: Chadwick’s Experiment
In this chapter, we will understand the discovery of neutron discovered by James Chadwick in 1932. Up to 1932, it was considered that an atom…
Rutherford Atomic Model and Its Drawbacks
On the basis of the observations and conclusions of alpha particles scattering experiment, Rutherford proposed his nuclear model of atom in 1912. This atomic model…
Rutherford Scattering Experiment
In this chapter, we will understand Rutherford’s scattering experiment and its observations and conclusions. In order to understand the arrangement of charged particles like electrons…
Thomson’s Atomic Model: Plum Pudding Model of Atom
In this chapter, you will understand Thomson’s atomic model, also known as plum pudding model of atom and its drawbacks or limitations. After the discovery…
Discovery of Proton – Who Discovered It
In this chapter, we will explore the discovery of proton. As we know, atoms are the fundamental building blocks of matter, composed of three main…