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Documents On Earth, matter usually can be found as a solid, liquid, or gas. What are elements?

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…

Documents Chemistry 7.1

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…

Documents More on Electron Configurations

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…