Скачать или смотреть The Modern Periodic Table | Top with Toppscholars

We are presently aware of 118 elements. But, it is said that there are more elements that are yet to be discovered. Scientists tried to discover ways to arrange these 118 elements, half of which were not even discovered. The modern periodic table is used to organize all the known elements. Elements are arranged in the table by increasing atomic number in the form of horizontal rows called “periods” and vertical columns are known as “groups”. So, let us understand this arrangement of elements in the periodic table in an easy and interesting way.

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