Description Teams of two students will be quizzed on chemical elements on the periodic table and the general characteristics of the most common elements on Earth. Number of Participants / Approximate Time Up to 2 students / 45 minutes Outside Materials Participants may bring only pencils to the event. The Competition 1. Teams will be asked general questions regarding some of the top 30 most abundant elements in the Earth’s crust and their common uses. The 30 elements include: Oxygen, Silicon, Aluminum, Iron, Calcium, Sodium, Potassium, Magnesium, Titanium, Hydrogen, Phosphorus, Carbon, Manganese, Sulfur, Barium, Chlorine, Chromium, Fluorine, Zirconium, Nickel, Helium, Lithium, Beryllium, Boron, Nitrogen, Neon, Argon, Scandium, Vanadium, and Cobalt. 2. Teams will be asked to provide the chemical symbols for specific elements or name an element given its chemical symbol for any element in the periodic table. 3. Teams will be asked questions regarding the characteristics of groups of elements on the periodic table such as the noble gases, etc. 4. Students will have 45 minutes to complete the written test. Time is not a scoring factor. Scoring The team with the most correct responses will be declared the winner. Ties will be broken with pre-determined tie-breaker questions.