Category: Chemistry

Uses of Noble Gases

The main use of noble gases is due to their chemical inertness and low boiling points. Important uses of noble gases are as follows: Uses...

Factors affecting Ionization Energy

The ionization energy depends upon the following factors: A) Size of the atom The ionization energy depends on the distance between the electron and the...

Ozone and its preparation

Elemental oxygen exists as a triatomic molecule (O3) known as ozone in addition to di-oxygen. The existence of an element in more than one modification...

Glass: characteristics and types

It is a metallic silicate of various metals. It is a hard, transparent, amorphous and super-cooled liquid. It is an important industrial material which is...

Covalent bond (covalency) and its type

Introduction to Covalent bond In 1916, G.N Lewis suggested that atoms may combine with one another by mutual sharing of their valence electrons. Due to...

Oxides of nitrogen

S.N        Name Oxidation number of          N Physical appearance       Uses  1.  Nitrous oxide (N2O)/laughing gas  ...

Types of heat of reactions (enthalpies)

When the reactants of a chemical reaction are completely reacted to form products, then the heat evolved or absorbed is called the heat of reactions....

Classification of oxides

A binary compound of oxygen with another element is known as an oxide. There are various types of oxides. They are as follows: A) Basic...