Chemical Elements Quiz

Name the correct symbol for as many of the first 110 chemical elements in the periodic table as you can. All chemical matter found on earth comes from these elements. Each has a distinct atom featuring an atomic number (the number of protons in its nucleus) and electrons. The most common elements found in our universe are hydrogen, helium, oxygen and carbon while elements with an atomic mass of 83 or over are unstable and experience radioactive decay. The following elements are listed according to atomic number. How many of the chemical symbols do you know? Some are easy while others are very difficult. Test yourself and check your answers at the bottom of the page.