Physical Properties Chemical Properties Practical Uses Only Peter Knows Fun Facts
100
What is a gas?
Noble gases are this state of matter under standard conditions
100
What is more?
Noble gases are generally ____ stable than other elements
100
What is Oganesson?
This noble gas isn't used for anything
100
What is Edelgas?
The term "noble gas" comes from this German word
100
What is flammable?
Helium is used over hydrogen because it's not ___
200
What is odorless?
This is the usual smell of noble gases
200
What is an outer (valence) electron shell?
Noble gases have this filled so they are unreactive
200
What is Radon?
This noble gas is used as a source of gamma radiation
200
What is 0.93%?
Argon, the 3rd most abundant gas on Earth, is this percent of Earth's atmosphere.
200
What is helium?
This noble gas has the lowest boiling and melting points of any substance
300
What are close boiling and melting points?
Noble gases have a very narrow liquid range because of this
300
What is ionization?
Noble gases have very high ____ energy
300
What is Helium?
This noble gas is used in rocket propulsion
300
What is −246.048 °C?
Neon liquifies at this temperature in Celcius
300
What are radon and oganesson?
All the noble gases have stable isotopes except for these 2 elements
400
What is lower?
The melting and boiling points of noble gases are ___ compared to other elements
400
What is helium?
This noble gas has the smallest atomic radius of any element
400
What is Xenon?
This noble gas is used in instruments to detect radiation
400
What is xenon hexafluoroplatinate?
Xenon doesn't form many compounds, but this compound has the chemical formula of XeFPtF6
400
What is Krypton?
This noble gas gets its name from a Greek word meaning "the hidden one"
500
What is red?
Even though it's naturally colorless, neon becomes this color when combined with certain substances
500
What is false?
True or False: Helium has the largest electronegativity of any element
500
What is Krypton?
This noble gas forms a compound with 2 fluorine atoms to create a powerful oxidative fluorinating agent
500
What is Xenon-126?
This isotope is 0.090% of naturally occurring Xenon (hint: there are 9 different stable isotopes that make up natural Xenon)
500
What is Xenon?
This noble gas gets its name from a Greek word meaning "stranger or foreigner"






Noble Gases

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