Ionisation enthalpy is the energy required to remove the most loosely bound electron from the isolated gaseous atoms to produce a cation.... View Article
Oxidation state of an element is defined as the degree of oxidation (loss of electron) of the element in achemical compound. Transition elements... View Article
A mixture of metals or a metal with another element is commonly known as an alloy. An alloy is defined by its metallic bond nature. It can be a... View Article
Covalent bonds can be characterized on the basis of several bond parameters such as bond length, bond angle, bond order, and bond energy (also... View Article
The octet rule explains that atoms combine either by transfer of valence electrons from one atom to another (gaining or losing) or by sharing of... View Article
A chemical bond can be defined as the attractive forces which hold different constituents (ions, atoms, etc.) together in different chemical... View Article
In order to locate the position of a point in space, we require a rectangular coordinate system. After choosing a fixed coordinate system in 3D,... View Article
In 1947, India and Jordan signed their first bilateral agreement for cooperation and friendly relations. The full diplomatic relations were... View Article
In the latest attempt to improve air quality in Delhi, the Central Pollution Control Board (CPCB) issued directions to the state governments of... View Article
Salt is a compound formed by the neutralisation reaction between an acid and a base. They generally ionise in water furnishing cations and... View Article
Dielectric materials are electrical insulators that can be polarised by the application of an electric field. The dielectric properties of solids... View Article
Electrical properties of solids are measured in terms of conductivity. Conductivity may be defined as the ease with which electric current can... View Article
As per the modern periodic table, there are 118 elements that are known to man today, of which 24 are synthetically prepared while the rest are... View Article
The magnetic field is produced by objects known as magnets. When these properties of magnetism are not lost throughout time it’s known as a... View Article
"An atom of an element has different shells, sub-shells and orbitals and the distribution of electrons in these shells is called the electronic... View Article
In geometry, we have seen the lines drawn on the coordinate plane. To predict whether the lines are parallel or perpendicular or at any angle... View Article
We all know that the pair of numbers (x, y) can be represented on the XY plane, where x is called abscissa and y is called the ordinate.... View Article
Every substance around us has some magnetic properties in it. Different types of materials show different properties in the presence of a... View Article
The Civil Services Main examination is designed to check the scholastic skills of the aspirants and also his/her ability to present his/ her... View Article