6.3 Group 0: The Noble Gases

• What is the name of the elements in Group 0 of the periodic table?

  Noble gases
• Which noble gas has the chemical symbol Rn?

  Radon
• Noble gases have stable electron configurations with full outer electron shells.

  True
• Why are noble gases unreactive?

  Full outer electron shells
• What property of helium makes it suitable for use in balloons?

  Low density
• The full outer electron shell of noble gases makes them unreactive
• Match the noble gas with one of its uses:

  Helium ↔️ Balloons and airships

  Neon ↔️ Neon signs

  Argon ↔️ Welding

  Krypton ↔️ High-intensity light bulbs
• Which noble gas is used in neon signs due to its bright red-orange glow?

  Neon
• Argon is used in incandescent light bulbs to prevent oxidation.


  True
• What property of noble gases makes them useful in welding and metal production?

  Inert nature
• What is unique about the electron configurations of noble gases?

  Full outer shells
• Neon has a full outer electron shell with 8 electrons.


  True
• Why do noble gases not readily form chemical bonds?

  Full outer shells
• What is the primary reason for the wide range of uses of noble gases?

  Unique chemical properties
• Which noble gas is used as an inert shield gas in welding and metal production?

  Argon
• Why are noble gases unreactive?

  Full outer electron shells
• What type of light bulbs is krypton used in?

  High-intensity
• Noble gases are unreactive due to their full outer electron shells.


  True
• Why is helium used in balloons and airships?

  Low density
• Which noble gas is used in high-intensity light bulbs?

  Krypton
• The noble gases are located in Group 0
• Helium has an electron configuration of 2
• The noble gas with the longest electron configuration is Oganesson
• The noble gas with the atomic number 10 is Neon
• Helium is used in balloons due to its low density
• Krypton is used in high-intensity light bulbs due to its energy efficiency
• Arrange the noble gases in order of increasing atomic number:

  1️⃣ Helium

  2️⃣ Neon

  3️⃣ Argon

  4️⃣ Krypton

  5️⃣ Xenon
• Match the noble gas with its electron configuration:

  Helium ↔️ 2

  Neon ↔️ 2, 8

  Argon ↔️ 2, 8, 8

  Krypton ↔️ 2, 8, 18, 8
• In which medical application is xenon used?

  CT scans
• The noble gas with the symbol Ar is Argon
• Match the noble gas with its electron configuration:

  Helium ↔️ 2

  Neon ↔️ 2, 8

  Argon ↔️ 2, 8, 8

  Krypton ↔️ 2, 8, 18, 8
• Noble gases form chemical bonds readily with other elements.

  False
• Argon is used in LCD screens to prevent oxidation
• Neon is used in neon signs because it emits a bright red-orange glow
• Match the noble gas with its use:

  Xenon ↔️ Ion engines for spacecraft propulsion

  Krypton ↔️ Energy-efficient light bulbs
• Radon is a noble gas with the symbol Rn.


  True
• What is the number of outer electrons in argon?

  8
• Order the noble gases from lightest to heaviest based on their atomic mass.

  1️⃣ Helium

  2️⃣ Neon

  3️⃣ Argon

  4️⃣ Krypton

  5️⃣ Xenon

  6️⃣ Radon
• Which noble gas has the electron configuration 2, 8, 8?

  Argon
• Neon emits a bright red-orange glow when electrically excited.

  True