History of atomic models

This lesson compares the plum pudding model with the nuclear model and explores the most significant experimental discovery that contributed to our modern model of the atom.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which TWO of these particles can be found within the nucleus of an atom?

Select two (2) boxes

1/7

Q2.How many neutrons are found in this isotope?

2/7

Q3.Which particle within an atom has a negative charge?

3/7

Q4.Which of these best explains an isotope?

4/7

Q5.Which process does this diagram represent?

5/7

Q6.Which of these best describes ionisation?

6/7

Q7.Which processes is being described here: When high frequency light is absorbed, an electron in an atom moves to a higher energy level.

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which TWO of these particles can be found within the nucleus of an atom?

Select two (2) boxes

1/7

Q2.How many neutrons are found in this isotope?

2/7

Q3.Which particle within an atom has a negative charge?

3/7

Q4.Which of these best explains an isotope?

4/7

Q5.Which process does this diagram represent?

5/7

Q6.Which of these best describes ionisation?

6/7

Q7.Which processes is being described here: When high frequency light is absorbed, an electron in an atom moves to a higher energy level.

7/7

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Developing Ideas about the Atom

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What did Democritus say atoms were?

1/11

Q2.Which sentence best describes the Plum Pudding Model?

2/11

Q3.Which of these describes the experiment to investigate the structure of an atom?

3/11

Q4.Rutherford and his team observed that most of the alpha particles passed straight through the gold foil. What can be concluded from this observation?

4/11

Q5.Rutherford and his team observed that some of the alpha particles were deflected (changed direction). What can be concluded from this observation?

5/11

Q6.Rutherford and his team observed that a small number of the alpha particles bounced back. What can be concluded from this observation?

6/11

Q7.Which of these statements is false?

7/11

Q8.What was JJ Thomson's contribution to the development of the model of the atom?

8/11

Q9.What was Ernest Rutherford's contribution to the development of the model of the atom?

9/11

Q10.What was Neils Bohr's contribution to the development of the model of the atom?

10/11

Q11.What was James Chadwick's contribution to the development of the model of the atom?

11/11

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Developing Ideas about the Atom

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.What did Democritus say atoms were?

1/11

Q2.Which sentence best describes the Plum Pudding Model?

2/11

Q3.Which of these describes the experiment to investigate the structure of an atom?

3/11

Q4.Rutherford and his team observed that most of the alpha particles passed straight through the gold foil. What can be concluded from this observation?

4/11

Q5.Rutherford and his team observed that some of the alpha particles were deflected (changed direction). What can be concluded from this observation?

5/11

Q6.Rutherford and his team observed that a small number of the alpha particles bounced back. What can be concluded from this observation?

6/11

Q7.Which of these statements is false?

7/11

Q8.What was JJ Thomson's contribution to the development of the model of the atom?

8/11

Q9.What was Ernest Rutherford's contribution to the development of the model of the atom?

9/11

Q10.What was Neils Bohr's contribution to the development of the model of the atom?

10/11

Q11.What was James Chadwick's contribution to the development of the model of the atom?

11/11

Lesson summary: History of atomic models

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The next lesson in:
Atomic Structure (FT)
is:
Radioactivity

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