Find the top three elements in the Earth’s crust ElementPercentage in the Earth’s crust Aluminium Calcium Iron Oxygen Silicon Sodium Others
5.2 Top elements Find the top two elements in the air ElementPercentage in air Argon Carbon dioxide Neon Nitrogen Oxygen Others 0.9 less than less than 0.1
5.2 Top elements Find the top element in the Universe ElementPercentage in the Universe Helium Hydrogen Others
5.2 Top elements Find the top three elements in your body ElementPercentage in human body Calcium Carbon Hydrogen Nitrogen Oxygen Others
5.2 Top elements Find the top three expensive metals in the list MetalApproximate cost of 1kg of the metal, in $ Copper Gold Lead Nickel Silver Tin