Chemistry

In chemistry, a compound is a substance that results from a combination of two or more different chemical element s, in such a way that the atom s of the… Read More »COMPOUND

ISOTOPE Isotopes Definition: Isotopes are atoms with the same number of protons, but differing numbers of neutrons. Isotopes are different forms of a single element. Examples: Carbon 12 and Carbon… Read More »RELATIVE ATOMIC MASSES OF ELEMENTS

Atoms are the basic units of matter and the defining structure of elements. Atoms are made up of three particles: protons, neutrons and electrons. Protons and neutrons are heavier than… Read More »PARTICULATE NATURE OF MATTER

A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atom s that… Read More »MOLECULES AND ATOMICITY

Element Definition: A chemical element is a substance that cannot be broken down by chemical means. Elements are defined by the number of protons they possess. These are the first… Read More »ELEMENTS

In our daily life, we come across many objects, the knowledge about which can be gained by one or more of our senses like sight, touch, hearing, taste and smelling.… Read More »PARTICULATE NATURE OF MATTER

Chemistry as a Subject and as a Central Science CHEMISTRY AS A DISCIPLINE Human mind has always been very curious to make investigations and know about various activities/phenomena occurring around… Read More »Chemistry as a Subject

ORBITALS OF THE ATOM The region in space within which there is maximum possibility of finding an electron in an atom is called an ATOMIC ORBITAL. We have s, p,… Read More »STRUCTURE OF THE ATOM

CONSTITUENTS OF AN ATOM Atoms are made up of sub-particles. Protons, electrons and neutrons. Proton has a positive charge, electron has a negative charge and neutron has no charge.  … Read More »ATOMIC NUMBER, RELATIVE ATOMIC MASSES, ISOTOPES AND CALCULATIONS

NAMING OF BINARY COMPOUNDS Nomenclature: This is the system of naming chemical compounds. The system is called IUPAC (International union of pure and applied chemistry). The naming is determined by… Read More »NOMENCLATURE OF CHEMICAL COMPOUNDS

STANDARD SEPARATION TECHNIQUES The importance of separating a mixture into its constituents cannot be over emphasized since most substances are needed in their pure form. There are many standard separation… Read More »STANDARD SEPARATION TECHNIQUES

COMPOUND A Compound is a substance which contains two or more elements chemically combined together. A compound is formed as a result of chemical change. Examples of compounds are Compound                              … Read More »COMPOUNDS AND MIXTURES

ELEMENTS AND SYMBOLS An element is a substance which cannot be split into simpler units by ordinary chemical process. There are over one hundred known elements.   SYMBOLS OF ELEMENTS… Read More »ELEMENTS, SYMBOLS & VALENCY

Matter is anything that has weight and occupies space. It exists in three states namely: solid, liquid and gas. The fundamental difference between the three states of matter depends on… Read More »NATURE OF MATTER

DEFINITION OF LABORATORY A laboratory is a room or building equipped for scientific experimentation or research. It is a special facility where experiments are done and typically contains scientific equipment… Read More »LABORATORY FAMILIARIZATION

CHEMISTRY AS A SCIENCE SUBJECT Science is an organized body of knowledge gathered through systematic experimentations and philosophical observations. Chemistry can be defined as a branch of science which deals… Read More »INTRODUCTION TO CHEMISTRY

Charge flow during electrolysis The coulomb is the electrolytic unit of charge. A current of one ampere is the rate of flow of charge equal to one coulomb per second.… Read More »FARADAY’S LAWS OF ELECTROLYSIS AND CALCULATIONS

The importance of electrochemical cells or galvanic cells lies in their ability to provide us with a portable source of electrical energy. We have already studied that indirect redox reaction… Read More »APPLICATIONS OF ELECTROCHEMICAL CELLS

It is a well known fact that energy menifests itself in different forms which are interconvertible into one another. Among different forms of energy, the electrical energy plays a very… Read More »ELECTROCHEMISTRY