Brief History of The Development of Periodic Table
Brief History of The Development of Periodic Table: Overview
This topic covers concepts, such as, Need for Classification of Elements, Classification of Elements, Dissimilar Elements Placed Together in Mendeleev's Periodic Table & Telluric Helix etc.
Important Questions on Brief History of The Development of Periodic Table
The telluric helix is the three-dimensional periodic table given by De-chan-chortois.

The Telluric Helix was the first graphic representation of the periodic system of the elements, conceived as a spiral wound round a cylinder.

The Telluric Helix (La Vis Tellurique) was the first _____ of the periodic system of the elements, conceived as a spiral wound round a cylinder.

The first graphic representation of the periodic system of the elements, conceived as a spiral wound round a cylinder is known as _____.

Describe the telluric helix of the elements.

The spectrum obtained in Moseley's experiment is known as _____.

Compare the Lothar Meyer's periodic arrangement with the Moseley's experiment.

Express the experiment carried out by Moseley.

Express the law of octaves.

Discuss the limitations of octave rule.

How many elements are known till the end of .

What is the need for classification of elements?

In , four new elements were added to the periodic table. Their atomic numbers are , _____, and .

By , how many elements had been identified?

The elements are broadly classified as

What is the need for classification of elements?

Why do we need of classify elements?

What are elements?

What do you mean by classification of elements?

What is the need of classification of elements?
