The Periodic Table: It's More than Just Chemistry and Physics

The Periodic Table of Videos periodic table eriodic Table of Elements Li7 3 lithium Na23 11 sodium K39 19 potassium Rb85 37 rubidium Cs133 55 caesium Fr 87 * The Lanthanides (atomic periodic table The number of elements in a period increases as one moves down the periodic table because as the energy level of the atom increases, the number of energy sub-

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