cm34 - Chemistry Matter Matter = any material substance...

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Unformatted text preview: Chemistry Matter Matter = any material substance with Mass & Volume Matter Solid Liquid Gas comes in 3 phases Solid Definite Shape Definite Volume Liquid Indefinite Shape – takes the shape of the container Definite Volume Gas Indefinite Shape – takes the shape of the container Indefinite Volume – can expand and be compressed Elements one of the 100+ pure substances that make up everything in the universe Examples of Elements H = Hydrogen C = Carbon O = Oxygen N = Nitrogen S = Sulfur Na = Sodium Ca = Calcium K = Potassium I = Iodine Cl = Chlorine P = Phosphorus Atom the smallest particle making up elements Sub-atomic Particles Protons p + - positive charge, in nucleus Electrons - e negative charge, orbiting nucleus Neutrons n – no charge, Drawing an Atom of Carbon C 12.011 6 Atomic Mass Atomic # minus Atomic # = # of n = # of p + and # of e- Carbon has 6 p + and 6 e- Carbon has 6 n Drawing an Atom of Carbon 6 p+ 6 n0 e- e- e- e- e- e- Compounds...
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This document was uploaded on 02/06/2011.

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cm34 - Chemistry Matter Matter = any material substance...

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