Conclusion: The Atom – Then and Now!

After you have completed this lesson you should be able to:

· Explain the structure and properties of the atom

· Trace the historical development of the atom from its beginning to the current model

· Describe the current model of the atom

· Explain how more than one scientist can contribute to scientific discovery

Some things to think about:

· Are there particles smaller than the neutrons, protons and electrons?

· Is light made up of particles or waves?

· What comes next, after quantum theory?

· What new discoveries are waiting to be made?

· How do atoms from compounds?

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