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Atoms <ul><li>All substances are made from atoms.  </li></ul><ul><li>There are about 100 different types of atoms </li></u...
The Periodic Table The Periodic Table
Element, Compound, Mixture Element, Compound, Mixture
Structure of an Atoms <ul><li>Atoms have a small central nucleus containing protons and neutrons </li></ul><ul><li>Electro...
Atomic Structure Atomic structure
Atomic Structure Atomic structure
Atomic Number <ul><li>The atomic number is the number of protons in the nucleus </li></ul><ul><li>In an atom, the number o...
Atomic Number Atomic number
Mass Number <ul><li>The mass number is the total number of protons and neutrons in an atom </li></ul><ul><li>The number of...
Mass Number Mass number
Calculations Calculations
Isotopes <ul><li>Isotopes are atoms of the same element that have different numbers of neutrons (e.g. carbon-12 and carbon...
Isotopes Isotopes
Electrons <ul><li>Each electron in an atom is at a particular energy level (or shell) </li></ul><ul><li>Electrons fill the...
Electron shells Electron Shells
Electron arrangements Electron arrangements
Wordsearch Wordsearch
Quiz Quiz
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Atomic Structure

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Transcript of "Atomic Structure"

  1. 1. Atoms <ul><li>All substances are made from atoms. </li></ul><ul><li>There are about 100 different types of atoms </li></ul><ul><li>An element is a substance which contains only one type of atom </li></ul>Atoms
  2. 2. The Periodic Table The Periodic Table
  3. 3. Element, Compound, Mixture Element, Compound, Mixture
  4. 4. Structure of an Atoms <ul><li>Atoms have a small central nucleus containing protons and neutrons </li></ul><ul><li>Electrons orbit the nucleus </li></ul><ul><li>Protons, neutrons and electrons have different masses and charges </li></ul>Structure of an Atom
  5. 5. Atomic Structure Atomic structure
  6. 6. Atomic Structure Atomic structure
  7. 7. Atomic Number <ul><li>The atomic number is the number of protons in the nucleus </li></ul><ul><li>In an atom, the number of electrons always equals the number of protons </li></ul><ul><li>Atoms do not have an overall electrical charge </li></ul>Atomic number
  8. 8. Atomic Number Atomic number
  9. 9. Mass Number <ul><li>The mass number is the total number of protons and neutrons in an atom </li></ul><ul><li>The number of neutrons can be calculated by subtracting the atomic number from the mass number </li></ul>Mass number
  10. 10. Mass Number Mass number
  11. 11. Calculations Calculations
  12. 12. Isotopes <ul><li>Isotopes are atoms of the same element that have different numbers of neutrons (e.g. carbon-12 and carbon-14) </li></ul><ul><li>Isotopes have the same atomic number but different mass numbers </li></ul>Isotopes
  13. 13. Isotopes Isotopes
  14. 14. Electrons <ul><li>Each electron in an atom is at a particular energy level (or shell) </li></ul><ul><li>Electrons fill the lowest energy levels first (nearest to the nucleus) </li></ul><ul><li>The first shell can take a maximum of 2 electrons, the second shell can take 8, and the third shell can take 8 </li></ul>Electrons
  15. 15. Electron shells Electron Shells
  16. 16. Electron arrangements Electron arrangements
  17. 17. Wordsearch Wordsearch
  18. 18. Quiz Quiz
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