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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-

Scientists, Professionals, Teachers, and Students of Chemistry widely use the periodic table of elements to search for chemical elements

periodic table of elements Short videos about every element on the periodic table, plus other cool experiments and chemistry stuff

pg slot table There are 118 elements on the periodic table Here's a list of all of the chemical elements of the periodic table ordered by increasing atomic number