جميع المواضيع المتعلقة بـ ‘Newland’

 

Newland’s Law of Octaves

Newland’s Law of Octaves

In 1866 Newland found that when elements are arranged according to increasing atomic masses, the properties of the eight element (starting from a given one) are repetition of the properties of the first element. If we start from lithium (Li) we find that the eighth element from it is sodium (Na). So according to Newland the properties of eighth element, sodium should be…

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The Periodic Table

Elements can be grouped into classes according to the chemical compounds they form. If the elements are written in a table in order of increasing atomic weights, they fall naturally into a series of columns, with members of a given chemical group in the same column. This is called the periodic table of the elements.The term periodic means recurring at regular intervals. The original periodic tables were…

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