An element can't be made from other elements and so this would become a compound. Examples of a metallic element combining with Oxygen to form a compound include: Magnesium + Oxygen --> Magnesium...
The element Oxygen* is made atomically by the combination of 8 electrons, 8 protons and 8 neutrons. The compound, formally known as Dioxygen, O2 is formed when two oxygen atoms bond together.Oxygen...