Science

Exit Lesson

Group 7

Describe the trends in reactivity of Group 7 elements and how they react with different Group 7 elements and elements from other groups.

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.Match the state change with its description.
  • melting
  • evaporation
  • condensation
  • freezing
  • sublimation
  • changing from liquid to solid
  • changing from solid to liquid
  • changing from liquid to gas
  • changing from solid to gas
  • changing from gas to liquid

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.

1/6

Q2.The temperature at which a liquid changes to a gas is called the ...

2/6

Q3.Match each Group 7 element to its periodic table symbol.
  • fluorine
  • chlorine
  • bromine
  • iodine
  • astatine
  • At
  • Br
  • I
  • F
  • Cl

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.

3/6

Q4.Which group of the periodic table do these elements belong to: fluorine, chlorine, bromine, and iodine?

4/6

Q5.In a chemical equation, what do we call the substances that are made?

5/6

Q6.Select the two chemical properties.

Select two (2) boxes

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.Match the state change with its description.
  • melting
  • evaporation
  • condensation
  • freezing
  • sublimation
  • changing from gas to liquid
  • changing from liquid to solid
  • changing from solid to gas
  • changing from liquid to gas
  • changing from solid to liquid

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.

1/6

Q2.The temperature at which a liquid changes to a gas is called the ...

2/6

Q3.Match each Group 7 element to its periodic table symbol.
  • fluorine
  • chlorine
  • bromine
  • iodine
  • astatine
  • Cl
  • I
  • F
  • At
  • Br

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.

3/6

Q4.Which group of the periodic table do these elements belong to: fluorine, chlorine, bromine, and iodine?

4/6

Q5.In a chemical equation, what do we call the substances that are made?

5/6

Q6.Select the two chemical properties.

Select two (2) boxes

6/6

Video

Play video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

Print
PDF
PPTX

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

Group 7

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

Q1.What is the name given to the Group 7 elements?

1/6

Q2.Match the keyword with its definition.
  • volatility
  • sublimation
  • displacement
  • melting point
  • The temperature at which a solid changes to a liquid.
  • When a more reactive element pushes a less reactive element out of a compound.
  • The process of changing state from solid to gas with no liquid phase.
  • The tendency of a substance to evaporate.

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.

2/6

Q3.Select two physical properties of the halogens.

Select two (2) boxes

3/6

Q4.Starting with the most reactive, sort the halogens into order of reactivity.
  • bromine
  • astatine
  • chlorine
  • fluorine
  • iodine

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.What is the product from a reaction between potassium and bromine?

5/6

Q6.Which is the only halogen that is able to displace chlorine from sodium chloride?

6/6

Quiz:

Group 7

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

Q1.What is the name given to the Group 7 elements?

1/6

Q2.Match the keyword with its definition.
  • volatility
  • sublimation
  • displacement
  • melting point
  • When a more reactive element pushes a less reactive element out of a compound.
  • The temperature at which a solid changes to a liquid.
  • The process of changing state from solid to gas with no liquid phase.
  • The tendency of a substance to evaporate.

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.

2/6

Q3.Select two physical properties of the halogens.

Select two (2) boxes

3/6

Q4.Starting with the most reactive, sort the halogens into order of reactivity.
  • iodine
  • bromine
  • chlorine
  • astatine
  • fluorine

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.What is the product from a reaction between potassium and bromine?

5/6

Q6.Which is the only halogen that is able to displace chlorine from sodium chloride?

6/6

Lesson summary: Group 7

It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance

This was the final lesson in the unit Atoms and the periodic table.

Browse Oak's lessons:

SubjectsSchedule