Draw a labelled diagram of Thomson’s plum-pudding model of the atom. - Leaving Cert Chemistry - Question 1 - 2020
Question 1
Draw a labelled diagram of Thomson’s plum-pudding model of the atom.
Worked Solution & Example Answer:Draw a labelled diagram of Thomson’s plum-pudding model of the atom. - Leaving Cert Chemistry - Question 1 - 2020
Step 1
Draw the basic structure of the atom
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Answer
Begin by sketching a large circle to represent the positive sphere of the atom. This sphere signifies the presence of positive charge distributed throughout.
Step 2
Add the electrons
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Answer
Within the positive sphere, depict several small circles or dots to symbolize electrons. Ensure that these electrons are scattered throughout the positive sphere to illustrate that they are embedded within it.
Step 3
Label the components of the diagram
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Answer
Label the positive sphere as 'positive charge' and the small circles as 'electrons' to clearly indicate their roles in Thomson's model. You may also indicate that the electrons have a 'negative' charge next to their labels.
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