Atomic and molecular masses

In 1687, Sir Issac Newton presented his work on the laws of motion in his book (Mathematical Principles of Natural Philosophy), in which he detailed how objects of various masses move when a force is applied. The first law of motion is related to Newton’s second law of motion. It provides a numerical definition of […]

A naming system is a collection of rules developed by the International Union of Pure and Applied Chemistry (IUPAC) to issue systematic names to molecules or chemical compounds. Generally, atoms lower their energy when they combine with molecules. The atoms then change their behavioural pattern as per the situation. Their functioning does not limit to valence shells.

The formation of molecular orbital is explained by wave mechanics. The Schrodinger wave equation and the linear combination of atomic orbitals provide the solution for the calculation of bonding and antibonding molecular orbitals. This molecular orbital study material explains the formation of the bonding and antibonding molecular orbitals and the necessary conditions required for their

The sum of the average masses of the atoms in one molecule of a material is the molecular mass. It’s computed by multiplying the atomic masses of the substance’s constituent components by their subscript (written or implied) in the molecular formula. Because atomic mass units are atomic mass units, molecular mass units are likewise atomic

Molecular mass: The mass of a single molecule in a compound is defined as the mass of the compound. Because of the isotopes, the atomic mass of the elements varies. The atomic mass unit (amu) is used to measure molecular mass. Amu is an abbreviation for atomic mass units. Molar mass: It is defined as

Introduction We as a whole need to realize that in a specific substance the number of particles is available. Particles and atoms are extremely little, both in size and mass. The molar mass of a substance refers to the total mass of one mole of a substance. Associate the nuclear masses (nuclear loads) of all

The concept of mesomeric effect, mesomerism and Mesomers was laid down by scientist Ingold in the year 1938.   Apparently, Mesomer is a connotation of the word resonance whose idea was given by the scientist Pauling. It is the property that is possessed by the functional groups in a chemical compound.    The mesomeric effect is

The outermost shell of Group 1 elements has one electron, and unlike most other atoms, this electron may wander away from the nucleus. Consequently, elements in Group 1 have higher atomic radii than elements in their respective periods, and the greater atomic size weakens atomic forces. Because Group 1 elements have wide atomic radii between

An atom’s size and electron configuration are factors that affect the magnetic properties of a compound. The number of unpaired electrons in a compound determines its magnetic properties because magnetism is based on electron spin. The magnetism of the transition metals (or d-block elements) is examined in this section. They are characterised by having many

Different materials show different types of magnetic properties when exposed to magnetic fields. The property of magnetism arises due to the presence of electrons in an atom or molecule. Each electron within an atom acts like a small magnet. In fact electrons can also be referred to as small loops of current that have the