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2015-05-05T21:53:24+08:00

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The periodic table of elements is very significant, the elements were arranged in increasing atomic masses, similar chemical and physical properties were periodically repeated, it recorded all the elements occurring in our sorroundings, according to the modern periodic law states that the chemical and physical properties of elements are periodic function of their atomic numbers, periodic function refers to the repetition of the properties of elements at regular intervals. The use of this periodic element is to identify what is the group, electronegativity, atomic weight, the atomic number, and the composition of one elements and how is it use in our daily life.
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