what is modern periodic low?
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the law that the properties of the elements are periodic functions of their atomic numbers. Also called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.
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The modern periodic law states that the properties of the elements are a periodic function of their atomic numbers. ... The vertical columns of the periodic table are called the groups and the elements of the same group share similar properties.
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