Learning Chemistry

Learning chemistry free online study courses in Priyam Study Centre (PSC) is dedicated to providing organic, inorganic, analytical, spectroscopy, environmental, medicinal, and biochemistry articles for high school and college level science education or classes.

In online learning chemistry, our main aim has to share accurate information about chemical elements, organic and inorganic compounds, analytical techniques, environmental education, spectroscopy, drugs or medicines, and biochemistry to guide high school or college students and researchers in their studies.

We are constantly adding or updating new chemistry articles on our website for students who want to learn from home.

Online study chemistry

Online study chemistry or online learning chemistry in PSC not only shares the definition, principles, formula, and application. It also guided you for better learning from home.

It provides questions and answers about chemistry articles in the form of quizzes. These free learning chemistry quizzes on periodic table elements, organic and inorganic compounds, analytical techniques, environmental education, spectroscopy, medicinal chemistry, and biochemistry help the students in their upcoming exams.

Popular Topics

Calculate oxidation number or state of periodic table chemical elements

Oxidation Number

Oxidation number of periodic table elements Oxidation number or state of periodic table elements in a chemical compound or molecule is the formal charges (positive...
Liquefaction of Gases at critical temperature, pressure and volume formula

Critical Constants

Critical constants of real gas Critical constants like critical temperature, critical pressure, and critical volume of gas determine the condition and formula of liquefaction of...
f block elements in periodic table, name, symbol, and atomic number of 4f and 5f block chemical elements

f block Elements

f block elements on periodic table f block elements appear in two chemical series like 4f block names as lanthanides or rare earth elements and...
Different types of bonding (ionic, covalent, metallic bonds) in the common chemical compound

Chemical Bonding

What is chemical bonding? Chemical bonding or chemical bond is the different types of force that binding together by two common atoms or groups of...
Van't Hoff equation temperature effect on chemical equilibrium formula and graph for endothermic and exothermic reactions

Van’t Hoff Equation

Van't Hoff Equation-Temperature Effect on Equilibrium Van't Hoff equation connecting chemical equilibrium constant and temperature by thermodynamics relation of Gibbs-Helmholtz free energy equation. The standard...

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Definitions, Examples and Chemical Properties of Hard, Soft and Borderline Acids

Hard Soft Acid Base

Hard soft acid base theory Hard soft acid base theory or HSAB-principle proposed by Ralph Pearson in1963. It is very helpful for predicting the stability...
Dipole moment definition, examples, unit in chemistry, application to calculate μ for water and methane molecules

Dipole Moment

What is dipole moment in chemistry? Dipole moment in chemistry expressed the polar character or polarity of the molecules. The product of charge and distance...
Electric polarization definition and example of polar molecules in chemistry

Electric Polarization

What is electric polarization? Electric polarization occurs when a non-polar molecule is placed between two parallel plates with an applied electric field. The electric field...
Atomic emission spectrum of hydrogen

Hydrogen Spectrum

Hydrogen spectrum in chemistry Hydrogen spectrum (absorption or emission) is an impotent type of tool for the determination of the atomic structure of chemical elements...
Electron or electronic configuration of elements in periodic table, group wise general formula for s, p-block and 3d series

Electron Configuration

Electronic configuration of elements in periodic table Electronic configuration or general electron configuration or electronic structure of atoms or ions is the arrangement of orbital...

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Chemistry, the study of inorganic, organic, physical and analytical chemistry in science


What is Chemistry? Chemistry is the study of pure science that deals with the physical or chemical properties, reactions, composition, and structure of atoms, ions,...
Periodic table chemical elements names, symbol, atomic numbers, and properties

Periodic Table

Periodic Table Elements Periodic table elements in chemistry are organized in order of increasing atomic number or the full number of protons in the atomic...
Atomic number of all periodic table elements

Atomic Number

Atomic number of elements Atomic number of chemical elements in chemistry is the number of protons of an atom by which the elements are arranged...
Dalton atomic theory to modern structure model of atom in matter

Dalton’s Atomic Theory

What is Dalton atomic theory? Dalton's atomic theory proposed that an atom was the smallest indivisible and indestructible building block of matter. Dalton's atomic theory was...
Learning chemistry best free online learning platforms of physical, organic, inorganic and environmental science education

Chemistry Test

Chemistry Test Online Answers for Questions Chemistry test or online practice questions answers for 9, 10, 11, and 12 grade or high school chemistry students to...


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Nuclear reactions like fission or fusion reaction involve splitting of particles from atomic nucleus in energy radiation

Nuclear Reaction

What is nuclear reaction? Nuclear reaction in physics and nuclear chemistry is the types of natural splitting of heavy nuclei accompanied by the emission or...
Atomic structure, theory and model of atom in chemistry

Atomic Structure

Atomic structure and theory Atomic structure and atomic theory describe the smallest unit of matter or element which contains subatomic particles such as electron, proton,...
Definition and examples of polar and nonpolar molecules


What is molecule? A molecule in chemistry or biology is the smallest identifiable unit formed by two or more atoms and it retains the chemical...
Organic compounds definition, types, history, classification and example of a compound like acetylene in chemistry

Organic Compound

What is organic compound? Organic compound in chemistry is the class of chemical compounds that contain carbon-hydrogen chemical bonding. Carbon has the property to combine...
States of matter like solid, liquid, gaseous and plasma state of substances in physics or chemistry

States of matter

Four states of matter States of matter or all states of matter in science define one of the distant forms in which the aggregation of molecules...
Energy like kinetic, potential forms in physics, is the ability to transformed produced heat or doing thermal, mechanical types of work in science


What is Energy? Energy in physics or chemistry is defined as a property that can be transformed into or produced from work. Kinetic and potential...

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Conductance or electrical conductance, the property of electrolyte solution helps to conduct electricity in electrochemistry


Electrochemistry is a branch of chemical science where we study the flow of electricity in an electrolyte solution or metallic conductor by the movement of electrons…

Chemical Reaction

Chemical reaction is the process that transforms one or more reactant molecules into different types of products with examples and topics in chemistry…


Redox is a part of chemistry where we learn different types of oxidation-reduction reactions by transferring electrons between two chemical species (atom, ion)…

Graham's Law of Effusion and Diffusion of gas molecules

Gas Laws

Gas laws in chemistry or physics identify the behavior of different gases by the general facts and common relation between pressure, volume, temperature…

Heat Energy

Heat energy is the form of energy that can be transferred from a higher temperature body to a lower or heat flow increases temperature of the colder body…


Properties, physical and chemical properties are considered as a key to understanding chemical elements (atom, molecule), substances present in our earth…

Cubic crystal system lattice points and Planes


Solid states of matter are characterized by their high density and low compressibility compared with liquid, gas, and plasma phase of matter or substances…


The environment is the place of our universe that presents different physical, chemical, living (biotic), and non-living (abiotic) factors or ecological communities…


Hydrocarbon is an organic chemical compound formed by bonding hydrogen and carbon atoms in chemistry found in natural gas, coal, petroleum…

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Conjugate acid base pair chart in order of decreasing strength of an acid or increasing strength of base

Acids and Bases

Acids and Bases in Chemistry Acids and bases in chemistry can be defined by five different theories or concepts like the Arrhenius theory, the solvent...
Environmental pollution caused by pollutants are types of substances or forms of energy which harmful effects on air, water, land, or soil in our earth


What is environmental pollution? Pollution or environmental pollution is the contamination of air, water, and soil or land by solid, liquid, gaseous substances or any...
Quizzes online on chemistry and biology


Online quizzes on chemisty and biology Quizzes or online chemistry quiz and biology quiz for 9, 10, 11, and 12 grade or high school science...

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Position of noble gas helium in periodic table


Chemical element in the periodic table, a pure substance that cannot be decomposed into smaller substances or materials by normal chemical processes…

Organic Chemistry in learning science

Organic Chemistry

Organic chemistry is the study of properties, composition and structure, preparation, and reactions of organic compounds or molecules.

what is science like physical, chemical, medical, and environmental science?


Science is systemic learning from testable experiments to getting the knowledge of physical or chemical phenomena occurring in our universe…