Physics, asked by mahallegmailcom, 11 months ago

structure of morden periodic table​

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Answered by isnulmontakim2
9

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The Modern Periodic Table is arranged in order of increasing atomic number, which is the number of protons in the nucleus of an atom. ... The Periodic Table consists of rows and columns. The rows are called Periods and denote energy levels of the elements' outermost electrons.

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