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they have.
11. The Periodic table has different elements sorted by the number of
A. Cosmopolitan B. Electron C. Proton D. Neutron

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The elements of the periodic table sorted by atomic number. click on any element's name for further chemical properties, environmental data or health effects. This list contains the 118 elements of chemistry. For chemistry students and teachers: The tabular chart on the right is arranged by Atomic number.

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