Above is an interactive periodic table of the elements. Clicking on one of the types of elements at the top will emphasize those elements in the table and give some information about what those elements have in common. Clicking on one of the elements will bring up a larger tile with that element’s atomic number, atomic weight, symbol, electron configuration, full name, and phase (solid, liquid, or gas) at room temperature (20 °C [68 °F]). The atomic number is the number of protons in the nucleus of the atom; the elements are arranged in order of increasing atomic number. The ...(100 of 512 words) Access the full article Help support true facts by becoming a member. Subscribe today!