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Atoms, Matter, and the Moles

Atoms, Matter, and the Moles. By PresenterMedia.com. Agenda or Summary Layout. Chemistry. A second line of text could go here. Chemistry: The Study of matter and the changes is undergoes.

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Atoms, Matter, and the Moles

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  1. Atoms, Matter, and the Moles By PresenterMedia.com

  2. Agenda or Summary Layout Chemistry A second line of text could go here Chemistry: The Study of matter and the changes is undergoes The Periodic Table is organized according to the elements’ atomic number, mass number, and atomic mass These numbers assist in conversion from one unit to another Physical Properties, Physical Change, Chemical Properties, Chemical Changes The atom consists of 2 main parts: the nucleus and the electron cloud Matter Changes Atomic Structure Periodic Table Avogadro’s Number & The Mole

  3. Chemistry • The study of matter and the changes it undergoes Heterogeneous Mixture “not the same throughout” Ex: Chex Mix • Matter • Anything that has mass and occupies space • Matter is subdivided into three general classes, based on chemical or physical properties • Compound • Element • Mixture Homogenous Mixture “the same throughout” Ex: NaCl, K, H20

  4. I <3 Chemistry Changes that Matter Undergoes Physical change Chemical change • Changes in which no new kinds or matter are formed. • Ex: Phase changes • Mixtures can be separated by physical separation • Filtration • Evaporation • Thawing • Distillation • Boiling • Changes that produce new kinds of matter that show brand new properties. • Examples • Combustion (burning) • Composition and Decomposition • Color Changes • Energy Changes • Light Emitted • Gas Given Off • pH Changes Compounds are the products of chemical changes. They cannot be broken down physically, but can be separated chemically

  5. I <3 Chemistry Properties of Matter Physical Properties Chemical Properties • Characteristics that undergoes no change in composition • Examples • Mass • Length • Volume • Density • Solubility • Melting and Boiling Point • Conductivity • Color • Hardness • Mixtures are separated due to their physical properties • Describes how a substance changes into something new. • By asking questions such as does it burn or react with acids helps determine the chemical properties of a substance

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