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Noble gases have completely filled orbitals. They generally have 8 valence electrons (helium has only 2) and have stable electronic configuration. Hence they are chemically inert and generally donot form compounds under normal conditions.

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Gonzalo Abernathy

Lvl 13
2y ago
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Wiki User

13y ago

Noble gases are gases that share similar characteristics. When under standard conditions, they are odorless, colorless, monatomic gases, with very low chemical reactivity. There are six noble gases. Which include:

  • helium (He),
  • neon (Ne),
  • argon (Ar)
  • krypton (Kr)
  • xenon (Xe)
  • radon (Rn).
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Wiki User

12y ago

--they don't react with other elements

--they're inert

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12y ago

Two characteristics of Noble (or Inert) Gases are:

-Highly Unreactive

-Two electrons in their outer shell.

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12y ago

They Don't React With Other Elements.

They Are Inert. - Apex

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11y ago

All noble gases have completely filled orbitals / electron shells. They are stable and chemically inert (non-reactive). So generally they will not accept / gain / share electrons.

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11y ago

They have completely filled orbitals and hence are chemically inert (it would not react with most other substances / compounds).

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Q: Two characteristics of noble gases
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