A chemical element is a pure substance made up of atoms that all have the same number of protons in their nucleus. The crossword solutions for the term chemical element include Rhodium (7 letters), ZINC (4 letters), KRYPTON (7 letters), OXYGEN (6 letters), Astatine (8 letters), BORON (5 letters), TIN (3 letters), GOLD (4 letters), LEAD (4 letters), NEON (4 letters), IRON (4 letters), ARGON (5 letters), RADON (5 letters), XENON (5 letters), BARIUM (6 letters), Carbon (6 letters), CERIUM (6 letters), COBALT (6 letters), COPPER (6 letters), Curium (6 letters), Erbium (6 letters), HELIUM (6 letters), Indium (6 letters), Iodine (6 letters), NICKEL (6 letters), Osmium (6 letters), Radium (6 letters), SILVER (6 letters), SODIUM (6 letters), SULFUR (6 letters), ARSENIC (7 letters), BISMUTH (7 letters), Bohrium (7 letters), BROMINE (7 letters), CADMIUM (7 letters), Caesium (7 letters), CALCIUM (7 letters), Dubnium (7 letters), Fermium (7 letters), Gallium (7 letters), Hafnium (7 letters), Hassium (7 letters), Holmium (7 letters), Iridium (7 letters), Lithium (7 letters), MERCURY (7 letters), NIOBIUM (7 letters), Rhenium (7 letters), Silicon (7 letters), Terbium (7 letters), and Thorium (7 letters). These elements are found in nature and are essential to life, as well as being used in many industries.