Noble gasesNoble gasesJana MatouškováJana Matoušková

Eva HýskováEva Hýsková

Basic informationBasic information inert gasesinert gases oxidation number – 0oxidation number – 0 relatively relatively ununreactivereactive high ionization high ionization

energiesenergies negligible negligible

electronelectronegegativitiesativities

negligiblenegligible - zanedbatelný - zanedbatelný

Helium - HeHelium - HeAtomic Number: 2 Atomic Number: 2 Atomic Mass: 4.002602 amu Atomic Mass: 4.002602 amu Melting Point: -272.0 °C Melting Point: -272.0 °C Boiling Point: -268.6 °C Boiling Point: -268.6 °C Number of Protons/Electrons: Number of Protons/Electrons: 2 2 Number of Neutrons: 2 Number of Neutrons: 2 Crystal Structure: Hexagonal Crystal Structure: Hexagonal Density 293 K: 0.1785 g/cm3 Density 293 K: 0.1785 g/cm3

Color: colorless Color: colorless

Helium - Helium - factsfactsDate of Discovery:Date of Discovery: 1868 1868Discoverer:Discoverer: Pierre Pierre

JanssenJanssenName Origin:Name Origin: From the From the

Greek word Greek word hęlioshęlios (sun) (sun)Uses:Uses: balloons, deep sea balloons, deep sea

diving diving Obtained From:Obtained From: natural natural

gas deposit, air gas deposit, air

Neon - NeNeon - NeAtomic Number: 10 Atomic Number: 10 Atomic Mass: 20.1797 amuAtomic Mass: 20.1797 amuMelting Point: -248.6 °CMelting Point: -248.6 °CBoiling Point: -246.1 °CBoiling Point: -246.1 °CNumber ofNumber ofProtons/Electrons: 10Protons/Electrons: 10Number of Neutrons: 10Number of Neutrons: 10Crystal Structure: CubicCrystal Structure: CubicDensity 293 K: 0.901 g/cm3 Density 293 K: 0.901 g/cm3 Color: colorless Color: colorless

Neon - factsNeon - factsDate of Discovery:Date of Discovery: 1898 1898 Discoverer:Discoverer: Sir William Sir William

Ramsey and Morris Ramsey and Morris TraversTravers

Name Origin:Name Origin: Form the Form the Greek word Greek word neosneos (new) (new)

Uses:Uses: lighting lighting Obtained From:Obtained From: liquid liquid

airair

Argon - ArArgon - ArAtomic Number: 18 Atomic Number: 18 Atomic Mass: 39.948 amuAtomic Mass: 39.948 amuMelting Point: -189.3 °CMelting Point: -189.3 °CBoiling Point: -186.0 °CBoiling Point: -186.0 °CNumber ofNumber ofProtons/Electrons: 18Protons/Electrons: 18Number of Neutrons: 22Number of Neutrons: 22Crystal Structure: CubicCrystal Structure: CubicDensity 293 K: 1.784 g/cm3 Density 293 K: 1.784 g/cm3 Color: Colorless Gas Color: Colorless Gas

Argon - factsArgon - factsDate of Discovery:Date of Discovery:

1894 1894 Discoverer:Discoverer: Sir William Sir William

Ramsey Ramsey and Lord and Lord RayleighRayleigh

Name Origin:Name Origin: From the From the Greek word Greek word argonargon (inactive)(inactive)

Uses:Uses: Lighting Lighting Obtained From:Obtained From: air air

Krypton - KrKrypton - KrAtomic Number: 36 Atomic Number: 36 Atomic Mass: 83.8 amuAtomic Mass: 83.8 amuMelting Point: -157.2 °CMelting Point: -157.2 °CBoiling Point: -153.4 °CBoiling Point: -153.4 °CNumber ofNumber ofProtons/Electrons: 36Protons/Electrons: 36Number of Neutrons: 48Number of Neutrons: 48Crystal Structure: CubicCrystal Structure: CubicDensity 293 K: 3.74 g/cm3Density 293 K: 3.74 g/cm3Color: colorless gas Color: colorless gas

Krypton - factsKrypton - factsDate of Discovery:Date of Discovery: 1898 1898 Discoverer:Discoverer: Sir William Sir William

Ramsey Ramsey and Morris and Morris TraversTravers

Name Origin:Name Origin: From the From the Greek word Greek word kryptoskryptos (hidden) (hidden)

Uses:Uses: Lighting Lighting Obtained From:Obtained From:

production of liquid airproduction of liquid air

Xenon - XeXenon - XeAtomic Number: 54 Atomic Number: 54 Atomic Mass: 131.29 amuAtomic Mass: 131.29 amuMelting Point: -111.9 °CMelting Point: -111.9 °CBoiling Point: -108.1 °CBoiling Point: -108.1 °CNumber ofNumber ofProtons/Electrons: 54Protons/Electrons: 54Number of Neutrons: 77Number of Neutrons: 77Crystal Structure: CubicCrystal Structure: CubicDensity 293 K: 5.8971 g/cm3 Density 293 K: 5.8971 g/cm3 Color: Colorless Gas Color: Colorless Gas

Xenon - factsXenon - factsDate of Discovery:Date of Discovery: 1898 1898Discoverer:Discoverer: Sir William Sir William

Ramsay and Morris Ramsay and Morris Travers Travers

Name Origin:Name Origin: From the From the Greek word Greek word xenonxenon (stranger) (stranger)

Uses:Uses: powerful lamps, powerful lamps, bubble chambersbubble chambers

Obtained From:Obtained From: liquid air liquid air

Radon - RnRadon - RnAtomic Number: 86 Atomic Number: 86 Atomic Mass: 222.0 amuAtomic Mass: 222.0 amuMelting Point: -71.0 °CMelting Point: -71.0 °CBoiling Point: -61.8 °CBoiling Point: -61.8 °CNumber ofNumber ofProtons/Electrons: 86 Protons/Electrons: 86 Number of Neutrons: 136Number of Neutrons: 136Crystal Structure: CubicCrystal Structure: CubicDensity 293 K: 9.73 g/cm3 Density 293 K: 9.73 g/cm3 Color: colorless Color: colorless

Radon - factsRadon - factsDate of Discovery:Date of Discovery:

1900 1900 Discoverer:Discoverer: Fr Friiedrich edrich

Ernst Dorn Ernst Dorn Name Origin:Name Origin: From From

radium radium Uses:Uses: treatment of treatment of

cancercancerObtained From:Obtained From: decay decay

of radium of radium

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