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Matter

Matter. Intro Chapter. Matter. Anything that has mass and volume. The smallest unit of an element that keeps the properties of that element. Atom. Subatomic Particles. Small particles of the atom Nucleus Protons ( + ) Neutrons (neutral charge) Electron Cloud Electrons ( - ).

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Matter

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  1. Matter Intro Chapter

  2. Matter • Anything that has mass and volume.

  3. The smallest unit of an element that keeps the properties of that element. Atom

  4. Subatomic Particles • Small particles of the atom • Nucleus • Protons ( + ) • Neutrons (neutral charge) • Electron Cloud • Electrons ( - )

  5. Contains the protons and neutrons. Nucleus

  6. Proton + • Found in the nucleus with a positive charge.

  7. Neutron n • Found in the nucleus with a neutral charge.

  8. Electron - • Found orbiting outside the nucleus with a negative charge.

  9. Element • A substance composed of a single kind of atom. • Magnesium • Aluminum • Silicon • Argon • Calcium • Iron • Gold • Mg • Al • Si • Ar • Ca • Fe • Au • H • He • C • N • O • Ne • Na • Hydrogen • Helium • Carbon • Nitrogen • Oxygen • Neon • Sodium

  10. Elements Chlorine 17 35.45 Atomic # Cl • Each element is identified by it’s atomic number.

  11. Periodic Table • A diagram showing the arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column.

  12. Periodic Table Element Name Chlorine 17 35.45 Atomic # Cl Chemical Symbol Atomic Mass

  13. Atomic Mass Chlorine 17 35.45 Atomic # Cl Atomic Mass # Protons = Atomic Number # Neutrons = Atomic Mass-Atomic Number # Electrons = Atomic Number

  14. Atomic Mass P = N = E = Hydrogen 1 H 1.01

  15. Atomic Mass P = N = E = Oxygen 8 O 15.0

  16. Atomic Mass P = N = E = Iron 26 Fe 55.84

  17. Atomic Mass P = N = E = Nitrogen 7 N 14.00

  18. Atomic Mass P = N = E = Gold 79 Au 196.97

  19. Compound • A substance in which two or more elements are chemically combined.

  20. Mixture • Two or more substances that are mixed together but not chemically combined.

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