Periodic Table Help: Group 18 Elements

In summary, Group 18 of the periodic table contains six elements: Helium, Neon, Argon, Krypton, Xenon, and Radon. These elements are also known as noble gases due to their stable and unreactive nature. They have full outer electron shells, are colorless and odorless, and have low boiling and melting points. These properties are related to their position on the far-right column of the periodic table. Some common uses of Group 18 elements include helium in balloons, neon in lights, and argon in light bulbs. Krypton and xenon have various uses in lighting and medical imaging, while radon is used in cancer treatments.
  • #1
parcerita
10
0
how many elements are there in group 18?
 
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  • #3
should be 7 I think.
 

Related to Periodic Table Help: Group 18 Elements

1. What are the elements in Group 18 of the periodic table?

The elements in Group 18 of the periodic table are Helium, Neon, Argon, Krypton, Xenon, and Radon. They are also known as the noble gases.

2. What are the properties of Group 18 elements?

Group 18 elements are characterized by their full outer electron shells, making them stable and unreactive. They are colorless, odorless, and have low boiling and melting points.

3. Why are Group 18 elements called noble gases?

Group 18 elements are called noble gases because they were once believed to be completely inert and unable to react with other elements. The term "noble" refers to their lack of chemical reactivity.

4. What are some common uses of Group 18 elements?

Helium is used in balloons, neon is used in neon lights, and argon is used in light bulbs. Krypton and xenon have various uses in lighting and medical imaging. Radon is used in some cancer treatments.

5. How are the properties of Group 18 elements related to their position on the periodic table?

Group 18 elements are located in the far-right column of the periodic table, also known as the noble gas group. Their properties, such as their full outer electron shells and low reactivity, are a result of their electronic configurations and their high ionization energies.

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