What is the meaning of modern periodic period
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table in which elements are arranged in the increasing order of their atomic number there are 7 periods and 18 groups.
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Modern petiodic table is define as "The periodicity of properties of elements on the bases of their atomic number"
It consists of 118 elements.
it was created by Dimitri Mendeleev
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It consists of 118 elements.
it was created by Dimitri Mendeleev
pls mark brainliest
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