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ZingPath: Periodic Table Properties

Properties of Group 7A Elements

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Periodic Table Properties

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Lesson Focus

Properties of Group 7A Elements

Physical Science

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You will get to learn about the major groups of elements found in the Periodic Table and their properties. Gain further understanding of how the structure of the Periodic Table can help you see trends in the properties of elements.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Explain the properties of p-block elements.
  • Explain the properties of Group 7A elements.

Everything You'll Have Covered

What are some common uses of fluorine?

~ Fluorine is most commonly used in the production of carbon-fluorine compounds, such as chlorofluorocarbon, and waterproof thermostable polymers, such as Teflon.

Why are small amounts of chlorine often added to drinking water and swimming pools?

~ Small amounts of chlorine are often added to drinking water and swimming pools because this element can function as a disinfectant.

Which of the halogens is a dark-gray solid that can easily form a violet vapor?

~ In its naturally occurring form, iodine is a dark-gray solid that can easily form a violet vapor.

Why do the least stable isotopes of astatine have no practical uses other than for scientific research?

~ The least stable isotopes of astatine have no practical uses other than for scientific research because of the element's exceedingly short half-life.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be able to define the following terms: astatine, bromine, and CFC.
Course Physical Science
Type of Tutorial Animation
Key Vocabulary astatine, bromine, chlorine