What is the maximum number of electrons in the following energy level?
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Answer :
- The Noble gasses are Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn).
- When air is cold, Oxygen liquefies first at
.
liquefies at
. About 1% of the air is still gas composed of the noble gas Argon, Ar.
- One noble gas was discovered on the sun. It’s spectrum was identify first. This is Helium, He.
- One of noble gas is radioactive and seeps up your basement floors and walls. It is Radon, Rn.
- This noble gas is used in electronic flashes and other bright lights. It is Xenon, Xe.
- This noble gas is best known for its orange color in gas discharge tubes. It is used for signs that bear its name. It is Neon, Ne.
