Chemistry in Everyday Life- Importance, Applications, Real Life Examples
Importance of Chemistry in Everyday Life: The scientific study of matter’s properties and behavior is known as chemistry. It is …
Chemistry Class 11
What is Matter in Chemistry : Definition & Types
The three basic states of matter are solid, liquid, and gaseous. All of the materials we come into contact with …
Properties of Matter-Class 11 Chemistry Notes Study Material
Every matter has its own set of properties. Physical and chemical properties can be used to classify these properties. Physical …
Measurement Uncertainty-Significant Figures,Accuracy, Precision Solved Examples
In Chemistry, students often deal with experimental data and theoretical calculations. Most of the data is present in an extremely …
Laws Of Chemical Combination For Elements And Compounds-Class 11 Chemistry Notes
Laws of Chemical Combination are one of the most fundamental building blocks of the subject of chemistry. As in our …
Dalton’s Atomic Theory-Class 11 Chemistry Notes Study Material
In the year 1808, the English scientist and chemist John Dalton proposed Dalton’s atomic hypothesis, a scientific theory on the …
Gram Atomic and Gram Molecular Mass-Solved examples Chemistry Class 11 Notes Study Material
Avogadro’s number is critical to understanding the structure of molecules as well as their interactions and combinations. e.g. because one …
Mole Concept-Definition, Formula, Examples, and FAQs-Class 11 Chemistry Notes
Mole concept is the method used to express the amount of substance. This has been experimentally proving that one gram …
Percentage Composition-Solved Examples-Class 11 Chemistry Notes Study Material
Different constituent elements make up any chemical compound. In some chemical reaction calculations, you’ll need to figure out how much …
Stoichiometry and Stoichiometric Calculations-Solved Examples-Class 11 Chemistry Notes Study Material
Jeremias Richter, a German chemist, was the first to create or discover the word Stoichiometry. The quantitative analysis of the …
Define Laws of Chemical Combination-Class 11 Chemistry Notes
Laws of Chemical Combination There are five basic laws that govern the chemical combination of elements. They are as follows: …
NCERT Solutions-Some Basic Concepts of Chemistry Class 11 Notes
NCERT Solutions for Class 11 Chemistry Chapter Some Basic Concepts of Chemistry are provided for Class 11 Chemistry students. It contains …
Some Basic Concepts of Chemistry Important Questions Answers
Class 11 Some Basic Concepts of Chemistry Important Questions with Answers Short Answer Type Questions Q1. What will be the …
NCERT Exemplar Solutions-Basic Concepts of Chemistry
The NCERT Exemplar Chemistry Class 11 Chapter Some Basic Concepts of Chemistry is necessary to study for students to score …
Some Basic Concepts of Chemistry Questions Answer Explanations With Practice Questions
Some basic concepts of Chemistry Questions with Solutions Q1. Which carbon isotope is used in obtaining relative atomic masses? Answer: …
Some Basic Concepts of Chemistry Test Paper Practice Questions Class 11
CBSE Class 11 Chemistry Worksheet Chapter Some Basic Concepts of Chemistry Q1. What is the mass of one atom of …
Some Basic Concepts of Chemistry Worksheet Practice Questions Test Paper
CBSE Class 11 Chemistry Worksheet Chapter Some Basic Concepts of Chemistry Q1. In a hydrocarbon, the mass ratio of hydrogen …
Mole Concept-Formula, Explanations, Solved Examples, FAQs
What is a Mole? In the field of chemistry, a mole is defined as the amount of a substance that …
Mole Concept MCQs-JEE Previous Year Questions With Solutions
The chapter contains important topics such as atomic and molecular mass, molar mass, gram atomic mass and gram molecular mass. …
Molar Mass (Molecular Weight) – Definition, Formula & Examples of Molar Mass
What Is Molar Mass? Molar mass of a substance is the mass in grams of one mole of the compound. …
Mole Concept-MCQs for NEET with Answers
Mole is the amount of any substance such as atoms, electrons, ions, molecules, etc. that contains 6.022 × 1023 particles. …
Empirical and Molecular Formula-Definitions, Solved Examples,FAQs
The empirical formula of a compound gives the simplest ratio of the number of different atoms present, whereas the molecular …
Empirical Formula Calculation with Related Examples
Empirical Formula The simplest formula or the empirical formula provides the lowest whole number ratio of atoms existent in a …
Molecular Formula Calculation with Practice Questions
The molecular formula is the expression of the number of atoms of each element in one molecule of a compound. …
Calculate the empirical and molecular formula of an organic compound whose percentage composition is C=70.54%, H=5.87% and O=23.52%
Given: Molecular weight of compound=136 g. Percentage composition is C=70.54%, H=5.87% and O=23.52% Step-1: Calculate the empirical formula Element % …
What is the meaning of empirical formula? Class 11 Chemistry Notes
What is the Empirical Formula? In chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio …
What is the empirical formula for glucose? Chemistry Q&A
What is the empirical formula for glucose? Step 1: Defining Empirical and molecular formula Empirical formula: Molecular formula: Relation between …
What do you mean by the empirical formula of a compound? Chemistry Question and Answer
What do you mean by the empirical formula of a compound? Empirical formula of a compound is 1. The simplest …
Empirical Formula & Molecular Formula-Definitions, Solved Examples
Initially, chemical formulas were obtained by determination of masses of all the elements that are combined to form a molecule …
John Dalton’s Atomic Theory – Postulates & Limitations with FAQs and Examples of Atomic Theory
What is Dalton’s Atomic Theory? Dalton’s atomic theory was a scientific theory on the nature of matter put forward by …
Chemistry In Everyday Life – Importance, Examples, Uses-Class 11 Chemistry Notes
Chemistry is the branch of science which deals with the investigation of the properties and changes of matter. From the …
Atoms & Molecules-Atom Definition, History, Structure of Atom & Molecules with Examples
What is an Atom? (Atom Definition) Atoms are defined as “the basic building blocks of matter”. Atom is the basic of …
Atomic And Molecular Mass of Elements | Relative Molecular Weight-Class 11 Chemistry Study Material
Atomic mass Atoms are very small particles and therefore their masses are also extremely small. Nowadays the method of spectroscopy …
Chemical Reactions-Definition, Equations, Types, Examples, FAQs
What is a Chemical Reaction? A chemical reaction is in which the bonds are broken within reactant molecules, and new …
What Is Stoichiometry?-Formula, Example, Balancing Equations, Stoichiometric Coefficient and Problems on Stoichiometry
Figuring out the ratios in which different substances or elements react to one another. The laws of conservation of mass, …
Stoichiometric Calculations – Stoichiometric Equation Definition
What is Stoichiometry? Stoichiometry is an integral part of chemistry that involves the relationship between product and reactants in a …
Discovery & Characteristics of Electron-Electron Configuration with Examples
What is an Electron? The electron is a low-mass, negatively charged particle. As such, it can easily be deflected by …
Discovery of Proton and Neutron-Who Discover Proton and Neutron, FAQS Class 11 Chemistry Notes
Discovery of Protons The discovery of protons dates back to the year 1815 when the English chemist William Prout suggested …
Define Atomic Number & Mass Number Examples,FAQs-Class 11 Chemistry Notes Study Material
What is Atomic Number and Mass Number? Atomic number and mass number are always whole numbers because they are obtained …
Isotopes and Isobars-Difference between Isotopes & Isobars
Isobar are elements that differ in chemical properties but have the same physical property. So, we can say that isobars …
Thomson Atomic Model and Limitations | Development of Atomic Model-Class 11 Chemistry Notes
In order to understand the various chemical reactions that occur around us and the parameters governing these reactions, we need …
Rutherford Atomic Model Observations and Limitations-Class 11 Chemistry Study Material
Define Rutherford Atomic Model Rutherford Atomic Model – The plum pudding model given by J. J. Thomson failed to explain …
Postulates Bohr’s Atomic Model And Its Limitations-Chemistry Class 11 Notes
Thomson’s atomic model and Rutherford’s atomic model failed to answer any questions related to the energy of an atom and …
Derive De Broglie Relationship-Significance Of De Broglie Equation
Bohr’s model failed to explain many concepts related to the spectrum of different atoms and splitting of spectral lines in …
Heisenberg Uncertainty Principle-Derivation, Detailed Explanation, Formula
Heisenberg’s uncertainty principle states that it is impossible to measure or calculate exactly both the position and the momentum of …
Orbitals – Definition, Types, Orbital Shapes, Quantum Numbers
What Are Orbitals? Orbitals in Chemistry is a mathematical function depicting the wave nature of an electron or a pair …
Quantum Numbers (Principal, Azimuthal, Magnetic and Spin) – Definition, Detailed Explanation, FAQs of Quantum Numbers.
Quantum numbers can be used to describe the trajectory and the movement of an electron in an atom. The quantum …
Shapes of Atomic Orbitals-s, p, d, and f Orbital-Class 11 Chemistry Notes
What are Atomic Orbitals? Atomic orbitals are mathematical functions that describe the wave nature of electrons (or electron pairs) in …
Electronic Configuration of Elements-Stability of Half Filled and Fully Filled Orbitals
Electronic Configuration of Elements “An atom of an element has different shells, sub-shells and orbitals and the distribution of electrons …
Aufbau Principle-Explanation, Exceptions-Class 11 Chemistry Notes
What is the Aufbau Principle? The Aufbau principle dictates the manner in which electrons are filled in the atomic orbitals …
Pauli Exclusion Principle-Definition, Explanation, Examples
The Pauli Exclusion Principle is one of the important principles, along with the Aufbau Principle and Hund’s Rule in Chemistry. …
Hunds Rule of Maximum Multiplicity – Explanation for Atomic Energy Levels and Configuration
Introduction to Hund’s Rule Aufbau principle tells us that the lowest energy orbitals get filled by electrons first. After the …
Electron Configuration – Detailed Explanation, Filling of orbital, Representation of Electronic Configuration of Atom with FAQs .
What are Electron Configurations? The electron configuration of an element describes how electrons are distributed in its atomic orbitals. Electron …
Electron Configuration – Detailed Explanation, Filling of orbital, Representation of Electronic Configuration of Atom with FAQs .
What are Electron Configurations? The electron configuration of an element describes how electrons are distributed in its atomic orbitals. Electron …
Electronic Configuration of Elements – Stability of Orbitals & Half-filled Orbitals
Electronic Configuration of Elements “An atom of an element has different shells, sub-shells and orbitals and the distribution of electrons …
Modern Periodic Table of Elements -Law,Features, Classification of Elements, FAQs
History of the Periodic Table Earlier scientists assumed that the properties of elements are periodic functions of their atomic masses. …
Modern Periodic Law with Detailed Periodic Classification Of Elements
What is Modern Periodic Law? The modern periodic table is developed after the periodic law and a periodic table given by …
Periodic Table Trends- Atomic size, Melting & Boiling Point Trend
The modern periodic table is based on the law that the properties of an element are a periodic function of …
Atomic Size (Atomic Radius) – Definition & Variation in Periodic Table of Atomic Radius
What is Atomic Size? Atomic size is the distance between the centre of the nucleus of an atom and its …
Classification of Elements-Class 11 Periodic Table Chemistry Notes
Periodic categorization of elements is a way of grouping elements based on their characteristics, such as keeping elements that are …
Periodic Classification of Elements: History & Periodic Trends-Class 11 Chemistry Notes
Periodic Classification of Elements refers to the arrangement of elements on the basis of the periodic repetition of their properties. …
Modern Periodic Law: Moseley Law and Modern Periodic Table
All matter in our environment is made up of basic units known as elements. Initially, only 31 chemical elements were …
118 Elements and Their Symbols and Atomic Numbers-Class 11 Chemistry Notes
Everything in the universe is composed of basic elements, and at their smallest level, these elements are atoms. There are …
Electronic Configuration in Periods and Groups-Class 11 Periodic Tables Notes Study Material
Electronic Configuration is the arrangement of electrons in orbitals around an atomic nucleus. Electronic Configuration of a molecule refers to …
Electronic Configuration-Explanation, Filling of Orbital and FAQs
Electron Configuration of an element tells us how electrons are filled inside various orbitals of the atom. The distribution of …
S-Block Elements: Properties, Periodic Trends, and Configurations
S-block elements are those elements in which the last electron is present in the s-orbital. In the periodic table. They …
Periodic Table Trends: Atomic Radius, Ionization Enthalpy, Electron Gain Enthalpy, Electronegativity
What is Periodic Table? A periodic Table is the arrangement of all the elements in the known universe based on …
Periodic Table Trends: Atomic Radius, Ionization Enthalpy, Electron Gain Enthalpy, Electronegativity
What is Periodic Table? A periodic Table is the arrangement of all the elements in the known universe based on …
Ionic Radius – Definition & Trends in Periodic Table
What is Ionic Radius? Ionic radius is the distance from the nucleus of an ion up to which it has an …
Noble Gas Elements, Uses, Applications, FAQs
What are Noble Gases or Inert Gases? The elements in Group 18 of the periodic table are known as the …
Ionization Enthalpy – Definition, Periodic Trends across Groups & Periods with FAQs
What is Ionization Enthalpy? The enthalpy change associated with the removal of the first electron from an isolated gaseous atom in …
Electron Gain Enthalpy and Electron Affinity Trends Down the Group & Along a Radius
Electron Gain Enthalpy Definition Electron gain enthalpy is sometimes also referred to as Electron affinity although there is a minute …
Electronegativity – Definition, Periodic Trends, Effect on Bonding, FAQs on Electronegativity
What is Electronegativity? The tendency of an atom in a molecule to attract the shared pair of electrons towards itself …
What Is Valency? – Difference between Valency & Oxidation Number
Define Valency The combining capacity of an atom is known as its valency. The number of bonds that an atom …
Nomenclature Of Elements – Atomic Number | Chemical Nomenclature
Introduction As per the modern periodic table, there are 118 elements that are known to man today, of which 24 …
Valence Electrons – Characteristics and Determination of Valence Electrons
Valence electrons are the s and p electrons in the outermost shell. The electrons present in the inner shell are …
Ionic Bond (Electrovalent Bond) – Definition, Properties, Electronegativity & Examples with FAQs
What is an Ionic Bond? The electrostatic force of attraction which holds the two oppositely charged ions together is called the …
Covalent Bond – Definition, Types, Properties, and Examples
A covalent bond is formed by the equal sharing of electrons from both participating atoms. The pair of electrons participating …
Covalent Bond – Definition, Types, Properties, and Examples
A covalent bond is formed by the equal sharing of electrons from both participating atoms. The pair of electrons participating …
Bond Parameters-Bond Order, Bond Angle, Bond Length, and Bond Dissociation Energy
What are Bond Parameters? Covalent bonds can be characterized on the basis of several bond parameters such as bond length, …
Bond Parameters-Bond Order, Bond Angle, Bond Length, and Bond Dissociation Energy
What are Bond Parameters? Covalent bonds can be characterized on the basis of several bond parameters such as bond length, …
Lewis Electron Dot Structures – Detailed Explanation with Examples & FAQs
What is Electron Dot Structure? Electron dot structures or Lewis dot formula can be drawn if the molecular formula of …
Lewis Electron Dot Structures – Detailed Explanation with Examples & FAQs
What is Electron Dot Structure? Electron dot structures or Lewis dot formula can be drawn if the molecular formula of …
Polar Covalent Bond – Definition, Properties, Examples, Solved Questions
In general, a polar bond is a certain class of a covalent bond. We can also say that it is …
Fajan’s Rule-Partially Covalent Character In Ionic Bonds-Class 11 Chemistry Notes Study Material
What is Ionic Bond? Also Discuss Fazan’s Rule An ionic bond is formed when an atom donates electrons and another …
Valence Bond (VB) Theory-Definition, Postulates & Limitations with FAQs
The Valence Bond Theory was developed in order to explain chemical bonding using the method of quantum mechanics. This theory …
Valence Bond (VB) Theory-Definition, Postulates & Limitations with FAQs
The Valence Bond Theory was developed in order to explain chemical bonding using the method of quantum mechanics. This theory …
Resonance Structures-Resonance Effect,Explanation,Examples,Resonating Structure of Benzene,Nitrobenzene,Ozone,Carbonate ion,Nitrite Ion,Nitrate Ion
In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the …
Resonance Structures-Resonance Effect,Explanation,Examples,Resonating Structure of Benzene,Nitrobenzene,Ozone,Carbonate ion,Nitrite Ion,Nitrate Ion
In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the …
VSEPR Theory: Molecular Geometry, Determination, Types, FAQs
What is Molecular Geometry? The study of the three-dimensional arrangement of the atoms that constitute a molecule is called Molecular …
Hybridization – sp, sp2, sp3, sp3d, sp3d2 Hybridized Orbitals, Examples
Hybridization, in Chemistry, is defined as the concept of mixing two atomic orbitals to give rise to a new type …
Shapes of Orbitals-Shape of s, p, d, and f Orbitals-Chemistry Class 11 Notes
What are Atomic Orbitals? Atomic orbitals are mathematical functions that describe the wave nature of electrons (or electron pairs) in …
Shapes of Orbitals-Shape of s, p, d, and f Orbitals-Chemistry Class 11 Notes
What are Atomic Orbitals? Atomic orbitals are mathematical functions that describe the wave nature of electrons (or electron pairs) in …
Molecular Orbital Theory(MOT) Explanation, Bonding & Anti Bonding Molecular Orbitals
What Is Molecular Orbital Theory? The molecular orbital theory (often abbreviated to MOT) is a theory on chemical bonding developed …
Molecular Orbital Theory(MOT) Explanation, Bonding & Anti Bonding Molecular Orbitals
What Is Molecular Orbital Theory? The molecular orbital theory (often abbreviated to MOT) is a theory on chemical bonding developed …
Hydrogen Bonding-Properties, Effects, Types, Examples of Hydrogen Bonding
What Is Hydrogen Bonding? Hydrogen bonding refers to the formation of hydrogen bonds, which are a special class of attractive …
Hydrogen Bonding-Properties, Effects, Types, Examples of Hydrogen Bonding
What Is Hydrogen Bonding? Hydrogen bonding refers to the formation of hydrogen bonds, which are a special class of attractive …
Chemical Bonds: Definition, Types, Lewis’s Theory, Kossel’s Theory Rules, Examples
Chemical Bonding as the name suggests means the interaction of different elements or compounds which defines the properties of matter. …
Ionic Bond: Electrovalent Bond, Definition, Formation & Examples
Ionic Bond is a bond that is formed by the electrostatic force of attraction between atoms. In an ionic bond, …
Ionic Bond: Electrovalent Bond, Definition, Formation & Examples
Ionic Bond is a bond that is formed by the electrostatic force of attraction between atoms. In an ionic bond, …
