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Tag: De Chancourtois


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

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

Bohr's Atomic Model

Bohr's atomic theory was prosed by Neils Bohr in 1913. It was the first to inaugurate the quantum theory in the atom.

8 min read

Rutherford's Atomic Model

Rutherford's atomic model was a landmark, which explained the existence of the nucleus.
3 min read

Rutherford's Gold Foil Experiment

Rutherford's gold scattering experiment is an important event in the history of science because it led to the discovery of the nucleus.

5 min read

Plum Pudding Atomic Model by J. J. Thomson

The plum pudding is an atomic model formulated by J. J. Thomson. According to the model, the negative charge particles are embedded in the positive charge cloud in the atom.
3 min read

J. J. Thomson's Cathode Ray Tube Experiments

Thomson's all three experiments are discussed. He studied magnetic and electric properties of cathode rays and determined the mass-to-charge ratio of the electron.
10 min read

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