Science - The Structure of an Atom

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Author:
mshowley
ID:
150752
Filename:
Science - The Structure of an Atom
Updated:
2012-04-28 17:55:05
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Structure an Atom
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Description:
Structure of an Atom
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  1. Explain what is meant by the term atom
    This is the smallest part of an element that can exist
  2. What is an atom made up of?
    Protons

    Neutrons

    Electrons
  3. Where are protons found in an atom?
    Nucleus
  4. Where are neutrons found in an atom?
    Nucleus
  5. Where are electrons found in an atom?
    Orbits the nucleus
  6. What is the electric charge of a proton?
    Positive
  7. What is the electric charge of a neutron?
    No charge
  8. What is the electric charge of an electron?
    Negative
  9. What is an ion?
    An ion is an atom that has lost or gained electrons
  10. When an atom loses an electron is it a positive or negative ion?
    A positive ion
  11. When an atom gains an electron is it a positive or negative ion?
    Negative ion
  12. What is meant by atomic number?
    This is the number of protons in the nucleus of that atom
  13. What is meant by mass number?
    This is the sum of the number of protons and the number of neutrons

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