Question

Periodic classification of elements lesson full points briefly​

Answer 1

Answer:

the elements with the help of the modern periodic table. Periodic classification of elements is the method by which elements are grouped on the basis of their characteristics i.e. we keep the elements that are alike in one group and the rest of the elements in the other group.

Need for the Periodic Classification of Elements

All existing matter in our surroundings is made up of basic units known as elements. Initially, in 1800, only 31 chemical elements were discovered. After some advancement in technology in 1865, about 63 more elements were discovered. This created the need for the periodic classification of elements.

there are 118 elements known to us. Out of these 118 chemical elements, some elements are man-made.

Answer 2

Answer:

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