Monday, September 7, 2009

Check List To Score A

Chapter 2: The Structure of the Atom

A. Knowledge (Definition, meaning and facts)

Check

  1. State the kinetic theory of matter.
    State one example to support the kinetic theory of matter


  1. What are atom, molecule and ion?

  2. What is melting point?

  3. Define proton number and nucleon number.

  4. State the meaning of isotopes.

  5. State the uses of isotopes such as carbon-14 and cobalt-60.

B. Understanding / Application / Analysis

  1. Explain why the temperature remains unchanged during the melting process.

  2. Explain why the temperature remains unchanged during the freezing process.

  3. A solid compound is heated until it converts into gas. Explain the changes in energy content, forces of attraction between the particles, and arrangement of particles.

  4. State the main subatomic particles of an atom.
    Compare and contrast the relative atomic mass and the relative charge of the subatomic particles of the atom.

  5. is the symbol of aluminium.
    (a) Determine the number of neutron of aluminium.
    (b) Draw the electron arrangement of aluminium.

C. Synthesis (Experiment)

  1. Solid Z has a melting point of 65oC. Describe a laboratory experiment to determine the melting point of Z. Your answer should show how the melting point of Z is determined.

  2. Compound W has a freezing point of 82oC. Describe a laboratory experiment to determine the freezing point of W.

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