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Neeraj Anand, Param Anand

Er. Neeraj K.Anand is a freelance mentor and writer who specializes in Engineering & Science subjects. Neeraj Anand received a B.Tech degree in Electronics and Communication Engineering from N.I.T Warangal & M.Tech Post Graduation from IETE, New Delhi. He has over 30 years of teaching experience and serves as the Head of Department of ANAND CLASSES. He concentrated all his energy and experiences in academics and subsequently grew up as one of the best mentors in the country for students aspiring for success in competitive examinations. In parallel, he started a Technical Publication "ANAND TECHNICAL PUBLISHERS" in 2002 and Educational Newspaper "NATIONAL EDUCATION NEWS" in 2014 at Jalandhar. Now he is a Director of leading publication "ANAND TECHNICAL PUBLISHERS", "ANAND CLASSES" and "NATIONAL EDUCATION NEWS". He has published more than hundred books in the field of Physics, Mathematics, Computers and Information Technology. Besides this he has written many books to help students prepare for IIT-JEE and AIPMT entrance exams. He is an executive member of the IEEE (Institute of Electrical & Electronics Engineers. USA) and honorary member of many Indian scientific societies such as Institution of Electronics & Telecommunication Engineers, Aeronautical Society of India, Bioinformatics Institute of India, Institution of Engineers. He has got award from American Biographical Institute Board of International Research in the year 2005.

Orbitals – Definition, Types, Orbital Shapes, Quantum Numbers

December 12, 2024 by Neeraj Anand, Param Anand
Orbitals in chemistry is a mathematical function depicting the wave nature of an electron or a pair of electrons present in an atom.

What Are Orbitals? Orbitals in Chemistry is a mathematical function depicting the wave nature of an electron or a pair …

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Quantum Numbers (Principal, Azimuthal, Magnetic and Spin) – Definition, Detailed Explanation, FAQs of Quantum Numbers.

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
Quantum numbers can be used to describe the trajectory and the movement of an electron in an atom. The quantum numbers of all the electrons in a given atom, when combined, must comply with the schrodinger equation.

Quantum numbers can be used to describe the trajectory and the movement of an electron in an atom. The quantum …

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Shapes of Atomic Orbitals-s, p, d, and f Orbital-Class 11 Chemistry Notes

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
Atomic orbitals are mathematical functions that describe the wave nature of electrons (or electron pairs) in an atom.

What are Atomic Orbitals? Atomic orbitals are mathematical functions that describe the wave nature of electrons (or electron pairs) in …

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Electronic Configuration of Elements-Stability of Half Filled and Fully Filled Orbitals

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
“an atom of an element has different shells, sub-shells and orbitals and the distribution of electrons in these shells is called the electronic configuration. ”

Electronic Configuration of Elements “An atom of an element has different shells, sub-shells and orbitals and the distribution of electrons …

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Aufbau Principle-Explanation, Exceptions-Class 11 Chemistry Notes

December 12, 2024 by Neeraj Anand, Param Anand
The aufbau principle dictates the manner in which electrons are filled in the atomic orbitals of an atom in its ground state.

What is the Aufbau Principle? The Aufbau principle dictates the manner in which electrons are filled in the atomic orbitals …

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Pauli Exclusion Principle-Definition, Explanation, Examples

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
The pauli exclusion principle is one of the important principles, along with the aufbau principle and hund’s rule in chemistry.

The Pauli Exclusion Principle is one of the important principles, along with the Aufbau Principle and Hund’s Rule in Chemistry. …

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Hunds Rule of Maximum Multiplicity – Explanation for Atomic Energy Levels and Configuration

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
Aufbau principle tells us that the lowest energy orbitals get filled by electrons first. After the lower energy orbitals are filled, the electrons move on to higher energy orbitals. The problem with this rule is that it does not tell about the three 2p orbitals and the order that they will be filled in.

Introduction to Hund’s Rule Aufbau principle tells us that the lowest energy orbitals get filled by electrons first. After the …

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Rutherford Atomic Model Observations and Limitations-Class 11 Chemistry Study Material

October 2, 2025December 12, 2024 by Neeraj Anand, Param Anand
Rutherford atomic model – the plum pudding model given by j. J. Thomson failed to explain certain experimental results associated with the atomic structure of elements. Ernest rutherford, a british scientist conducted an experiment and based on the observations of this experiment, he explained the atomic structure of elements and proposed rutherford’s atomic model.

Define Rutherford Atomic Model Rutherford Atomic Model – The plum pudding model given by J. J. Thomson failed to explain …

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Thomson Atomic Model and Limitations | Development of Atomic Model-Class 11 Chemistry Notes

September 23, 2025December 12, 2024 by Neeraj Anand, Param Anand
In order to understand the various chemical reactions that occur around us and the parameters governing these reactions, we need an understanding of the elements and compounds taking part in these reactions.

In order to understand the various chemical reactions that occur around us and the parameters governing these reactions, we need …

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Isotopes and Isobars-Difference between Isotopes & Isobars

December 12, 2024 by Neeraj Anand, Param Anand
Isobar are elements that differ in chemical properties but have the same physical property. So, we can say that isobars are those elements that have a different atomic number but the same mass number.

Isobar are elements that differ in chemical properties but have the same physical property. So, we can say that isobars …

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Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

Integrals NCERT Solutions Exercise 7.3 Chapter-7 Class 12 Math PDF Study Material (Set-3)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

NCERT Solutions Integrals Exercise 7.3 Chapter-7 Class 12 Math PDF Notes (Set-2)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

Integrals NCERT Solutions Exercise 7.3 Chapter-7 Class 12 Math PDF Notes (Set-1)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

Integrals NCERT Solutions Exercise 7.2 Chapter-7 Class 12 Math PDF Free Download (Set-4)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

NCERT Solutions Integrals Exercise 7.2 Chapter-7 Class 12 Math PDF Free Download (Set-3)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

Integrals Exercise 7.2 NCERT Solutions Chapter-7 Class 12 Math PDF Free Download (Set-2)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

Integrals NCERT Solutions Exercise 7.2 Chapter-7 Class 12 Math PDF Free Download (Set-1)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

NCERT Solutions Integrals Exercise 7.1 Chapter-7 Class 12 Math PDF Free Download (Set-2)

Anand Classes provides a free PDF download of NCERT Solutions for Class 12 Maths Chapter 7 Integrals,with detailed step-by-step solutions to help students master the basics of indefinite integrals and excel in exams.

Integrals NCERT Solutions Exercise 7.1 Chapter-7 Class 12 Math PDF Free Download (Set-1)

Anand Classes offers a free PDF download of NCERT Solutions for Maths Chapter 9 Differential Equations Exercise 9.1 with detailed explanations on order, degree, formation and solving differential equations.

Differential Equations NCERT Solutions Miscellaneous Exercise Chapter-9 Class 12 (Set-2)

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