10 likes | 132 Vues
Kelly cavanaugh HELIUM. 5 PHYSICAL PROPERTIES HERE. 5 CHEMICAL PROPERTIES HERE. 5 MODERN USES OF ELEMENT. Year discovered. Discovered by who?. Atomic number. Cu copper. HELIUM. Atomic mass. 3 DIFFERENT IMAGES OF HELIUM.
E N D
Kelly cavanaugh HELIUM 5 PHYSICAL PROPERTIES HERE 5 CHEMICAL PROPERTIES HERE 5 MODERN USES OF ELEMENT Year discovered Discovered by who? Atomic number Cu copper HELIUM Atomic mass 3 DIFFERENT IMAGES OF HELIUM