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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.

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

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

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

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Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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 process of changing state from solid to gas with no liquid phase.
  • The tendency of a substance to evaporate.
  • The temperature at which a solid changes to a liquid.
  • When a more reactive element pushes a less reactive element out of a compound.

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
  • iodine
  • chlorine
  • 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

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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 process of changing state from solid to gas with no liquid phase.
  • 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 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
  • fluorine
  • astatine
  • chlorine

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

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

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