This document is the periodic table of elements in Spanish. It contains 118 elements arranged in blocks by their atomic number. The first block contains the first 18 elements including hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon and others. Below that are additional blocks containing the remaining 100 elements such as calcium, scandium, titanium, vanadium and others up to oganesson. Within the periodic table, the lanthanide and actinide series of elements are designated with symbols.