Atomic Models Worksheet
Explore the historical development and key features of atomic models, including Dalton, Thomson, Rutherford, and Bohr models, for Grade 7 Science.
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Atomic Models Exploration
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of atomic models.
1. Which scientist proposed the 'plum pudding' model of the atom?
John Dalton
J.J. Thomson
Ernest Rutherford
Niels Bohr
2. The Rutherford model suggested that atoms are mostly empty space with a small, dense, positively charged at the center.
electron
proton
nucleus
neutron
3. According to Dalton's atomic theory, all atoms of a given element are in mass and properties.
4. In the Bohr model, electrons orbit the nucleus in specific energy .
5. The discovery of the led to the revision of the Thomson model.
6. The Bohr model is often referred to as the planetary model of the atom.
True
False
7. Briefly describe one key difference between the Rutherford model and the Bohr model of the atom.
8. Label the parts of the atomic model shown below:
A.
B.
C.