Elements Lite (Keys)

The 3-book chem-series covers chemistry and the physical sciences for kids, teens, and adults - great for SAT prep. Addictive learning game pits man versus machine. Who's smarter? Search bots find answers. Guess the question. Did the robots show smart clues? Beat the 5 minute timer. KEYWORDS: Lithium Potassium Sodium Beryllium Calcium Magnesium Chlorine Fluorine Boron Silicon Argon Helium Neon Carbon Hydrogen Nitrogen Oxygen Phosphorus Sulfur Aluminium Chromium Cobalt Copper Iron Nickel Zinc