What are elements? On Earth, matter usually can be found as a solid, liquid, or gas. Elements and the Atomic Structure Elements All matter is made elements. An element is…
Chemistry 7.1 Ions Pyrite (FeS2), a common mineral that emits sparks when struck against steel, is often mistaken for goldâhence its nickname, âfoolâs gold.â Pyrite is…
More on Electron Configurations More on Electron Configurations Identify the blocks on your periodic table. Each block is named after its characteristic orbital; thus, the…