Chemistry

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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.

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

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

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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:

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
  • Chadwick
  • JJ Thomson

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.

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
  • Bohr
  • Rutherford
  • JJ Thomson

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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The next lesson in:
Atomic structure and the periodic table
is:
Atomic structure

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