What is molecular formula | A molecule is a smallest unit of a substance which exists independently and exhibits all the properties of that substance.…

In chemistry, a chemical formula is a group of symbols of the same or different elements which represents one molecule of the substance. It basically…

In chemistry, a chemical formula is a shorthand way of describing a chemical compound, or a molecule with the help of symbols and valency of…

In chemistry, percentage composition is the mass percentage of each component element present in any compound. The percentage composition (or mass percentage) of each element…

We commonly use a unit dozen or unit gross for counting of materials or goods. For example, one dozen pens means 12 pens or one…

In chemistry, molecular mass is an important property of molecules that are concerned with their physical and chemical properties. It is a measure of the…

Molecules are essential building blocks of everything around us. They are tiny particles that comprise atoms bonded together in a specific way. Molecules are the…

In 1808, An English scientist John Dalton proposed the first scientific theory of matter. This theory is also known as Dalton’s atomic theory of matter.…

Physical and chemical changes are very important in our lives. Every day we see many changes in our surroundings. These changes may occur one or…