Test your knowledge of the periodic table with this quiz! Explore the history of element discovery and learn about the properties and characteristics of different elements. See how well you know the periodic table and its elements.

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@MagnificentPelican

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Questions and Answers

What is the total number of known elements at present?

118

When did the number of identified elements more than double to 63?

1865

What led scientists to search for a systematic way to organize their knowledge of elements?

Difficulty in studying individual elements and compounds

What is the purpose of classifying elements in a systematic framework?

<p>To group elements of similar properties together</p> Signup and view all the answers

What does the classification of elements lead to after certain regular intervals?

<p>Chemical periodicity</p> Signup and view all the answers

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Study Notes

Elements and Classification

Currently, there are a total of 118 known elements.
The number of identified elements more than doubled to 63 in 1869.
The need to search for a systematic way to organize knowledge of elements arose due to the rapid increase in the number of discovered elements.
Classifying elements in a systematic framework serves the purpose of making it easier to understand their properties, relationships, and trends.
The classification of elements leads to the emergence of periodic patterns and recurring trends after certain regular intervals, facilitating the prediction of properties of unknown elements.