Development of the atomic model

Describe the discoveries that led to an increased understanding of the structure of atoms and how we have arrived at the current atomic model.

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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.An atom consists of protons, neutrons and .

Fill in the blank.

1/6

Q2.Which two statements are correct?

Select two (2) boxes

2/6

Q3.Which subatomic particles are found in the nucleus?

3/6

Q4.Match the subatomic particle to its charge.
  • proton
  • electron
  • neutron
  • negative
  • neutral
  • positive

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Which subatomic particle has an insignificant mass?

5/6

Q6.Which subatomic particle is in shells that orbit the nucleus?

6/6

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.An atom consists of protons, neutrons and .

Fill in the blank.

1/6

Q2.Which two statements are correct?

Select two (2) boxes

2/6

Q3.Which subatomic particles are found in the nucleus?

3/6

Q4.Match the subatomic particle to its charge.
  • proton
  • electron
  • neutron
  • negative
  • neutral
  • positive

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Which subatomic particle has an insignificant mass?

5/6

Q6.Which subatomic particle is in shells that orbit the nucleus?

6/6

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.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Development of the atomic model

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

Q1.Which atomic model is the most commonly accepted model today?

1/6

Q2.Whose atomic model determined that an atom's positive charge is concentrated in the centre?

2/6

Q3.During the alpha particle scattering experiment, why were some particles deflected at angles as they travelled through?

3/6

Q4.Which two statements are correct about the Bohr's atomic model?

Select two (2) boxes

4/6

Q5.Match the scientist to the component of the atom they found evidence for.
  • electrons
  • neutrons
  • shells
  • nucleus
  • Chadwick
  • JJ Thomson
  • Rutherford
  • Bohr

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

5/6

Q6.The plum pudding model was developed by ...

6/6

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.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Development of the atomic model

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

Q1.Which atomic model is the most commonly accepted model today?

1/6

Q2.Whose atomic model determined that an atom's positive charge is concentrated in the centre?

2/6

Q3.During the alpha particle scattering experiment, why were some particles deflected at angles as they travelled through?

3/6

Q4.Which two statements are correct about the Bohr's atomic model?

Select two (2) boxes

4/6

Q5.Match the scientist to the component of the atom they found evidence for.
  • electrons
  • neutrons
  • shells
  • nucleus
  • Bohr
  • Rutherford
  • JJ Thomson
  • Chadwick

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

5/6

Q6.The plum pudding model was developed by ...

6/6

Lesson summary: Development of the atomic model

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