The presence of the ortho- and para-position nitro group withdraws electron density from the benzene ring and thereby promotes the haloarene... View Article
In ammonia, the nitrogen atom has a lone pair of electrons that can be quickly donated to the necessary Lewis acid. Ammonia will thus serve as a... View Article
In order to minimise wavelengths and maximise energy and frequency, the electromagnetic spectrum is usually categorised into seven regions. Radio... View Article
The alkali metals are so called S block because they form alkalies when they react with water. Alkalies, including sodium hydroxide and potassium... View Article
Those metals which have partially filled d-orbitals are transition metals. Zinc has completely filled d-orbital and should thus not be a metal... View Article
If by filtering the beam with specialised materials, the electric field vectors are limited to a single plane, then the light is referred to as... View Article
The periodic table is important because in one easy-to-use guide, it is structured to include a lot of details about elements and how they relate... View Article
As it belongs to the VI Periodic Table group, Sulphur has six valence electrons. It thus has maximum valency. Valency is the strength of an... View Article
There are 18 groups, according to the modern Periodicals Table. There are eight major groups in the periodic table: 1, 2, 13, 14, 15, 16, 17 and... View Article
The elements from atomic number 57 to 71 are called Lanthanides. They are called lanthanides, since lanthanum is chemically identical to the... View Article
Astatine is the most rare element that occurs naturally. Astatine, named after the Greek term for unstable (astatos), is a naturally occurring... View Article
The lightest element is hydrogen and it possesses the simplest atomic structure. Furthermore, it is the most abundant element in the universe and... View Article
The periodic table is the most significant reference there is for chemistry. In an insightful array, it arranges all the known elements. In order... View Article
Nonmetals are found on the periodic table's right hand side. The elements are the non-metals on the right-hand side of the periodic table. On the... View Article
The periodic table's horizontal rows are called periods. Each corresponds to the successive occupation of the orbitals in the shell of the atom's... View Article
The first ten elements with their symbols and atomic number in the periodic table are tabulated below. Name of the Element Symbol of the... View Article
It is possible to define the periodic table elements as metals, nonmetals and metalloids. There are three major classification as metal regions... View Article
There are 118 known periodic table elements. Discovery of components from antiquity to the Middle Ages (13 components), from the Middle Ages to... View Article
The main purpose of cross multiplication is to simplify the equation or to find the value of the variable in an equation. In most cases, cross... View Article
The distance between two parallel planes is defined as the shortest distance between the two plane surfaces. The procedure to find the distance... View Article
