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Chemistry Formulas

A compound comprises two or more than elements, and the chemistry formula reveals the number of atoms present in each component. The chemical formula contains symbols of the element’s atoms in the compound. It also reflects the number of atoms present in each element.

5 min read

Dmitri Mendeleev (1834–1907)

Dmitri Mendeleev was one of the great chemists of the 19th century. He correctly predicted the properties of more than three undiscovered elements. His contributions to chemistry won him the title of the father of the modern periodic table.

7 min read

Dmitri Mendeleev's Periodic Table

Dmitri Mendeleev's Periodic Table was the most scientific periodic table in his time, which led to the formation of the modern periodic table. Mendeleev not only group the elements that shared similar properties but also correctly predicted the properties of undiscovered elements. And this was groundbreaking.

7 min read

Lothar Meyer's Periodic Table

Lothar Meyer's periodic table was a raw version of the periodic table. He successfully classified the elements according their valency with the increasing order of atomic weights. He also depicted the periodicity from his atomic volume vs atomic weight graph.

4 min read

Newlands' Law of Octaves

Newlands' Law of Octaves proposed by John Newlands explains the periodic repetition of physical and chemical properties. The law has many limitations, which are discussed in this article.

3 min read

De Chancourtois's Helical Periodic Table

De Chancourtois's helical periodic table was the first periodic table that introduced the notion of the periodicity of elements.

3 min read

Dobereiner's Triads

Dobereiner's Triads or the law of triads divides elements showing similar properties into groups of three.

2 min read

Hund's Rule of Maximum Multiplicity

The Hund rule of maximum multiplicity states the electrons fills the degenerate orbitals singly before getting paired.

6 min read

Honorable Robert Boyle (1627–1691)

Robert Boyle was a chemist of the 17th century and a founder of the modern chemistry.

8 min read

Pauli Exclusion Principle

Pauli Exclusion Principle: An orbital cannot take more than two electrons.

4 min read

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