Why there was a necessity for classification of elements? Give two reason.
Answers
Answer:
1.Classification helps us to understand the properties of the elements and their compounds. 2. Based on their position in the periodic table one can predict the properties of the elements and their compounds.
Answer:
is difficult to study each and every element individually and to know its properties and uses. Therefore, they have been classified into groups on the basis of their similarities in properties.
•About 116 elements are known today.
•Most of the elements known today were discovered during the 18th and 19th centuries.
1)To reveal relationship between elements.
2)To correlate the properties of the elements with some fundamental properties which are characteristic of all the elements.
In such a classification there was no place for elements with properties resembling those of metals as well as nonmetals