Noble gases Jana Matoušková Eva Hýsková. Basic information  inert gases  oxidation number – 0  relatively unreactive  high ionization energies  negligible.

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Presentation transcript:

Noble gases Jana Matoušková Eva Hýsková

Basic information  inert gases  oxidation number – 0  relatively unreactive  high ionization energies  negligible electronegativities negligible - zanedbatelný

Helium - He Atomic Number: 2 Atomic Mass: amu Melting Point: °C Boiling Point: °C Number of Protons/Electrons: 2 Number of Neutrons: 2 Crystal Structure: Hexagonal Density 293 K: g/cm3 Color: colorless

Helium - facts Date of Discovery: 1868 Discoverer: Pierre Janssen Name Origin: From the Greek word hęlios (sun) Uses: balloons, deep sea diving Obtained From: natural gas deposit, air

Neon - Ne Atomic Number: 10 Atomic Mass: amu Melting Point: °C Boiling Point: °C Number of Protons/Electrons: 10 Number of Neutrons: 10 Crystal Structure: Cubic Density 293 K: g/cm3 Color: colorless

Neon - facts Date of Discovery: 1898 Discoverer: Sir William Ramsey and Morris Travers Name Origin: Form the Greek word neos (new) Uses: lighting Obtained From: liquid air

Argon - Ar Atomic Number: 18 Atomic Mass: amu Melting Point: °C Boiling Point: °C Number of Protons/Electrons: 18 Number of Neutrons: 22 Crystal Structure: Cubic Density 293 K: g/cm3 Color: Colorless Gas

Argon - facts Date of Discovery: 1894 Discoverer: Sir William Ramsey and Lord Rayleigh Name Origin: From the Greek word argon (inactive) Uses: Lighting Obtained From: air

Krypton - Kr Atomic Number: 36 Atomic Mass: 83.8 amu Melting Point: °C Boiling Point: °C Number of Protons/Electrons: 36 Number of Neutrons: 48 Crystal Structure: Cubic Density 293 K: 3.74 g/cm3 Color: colorless gas

Krypton - facts Date of Discovery: 1898 Discoverer: Sir William Ramsey and Morris Travers Name Origin: From the Greek word kryptos (hidden) Uses: Lighting Obtained From: production of liquid air

Xenon - Xe Atomic Number: 54 Atomic Mass: amu Melting Point: °C Boiling Point: °C Number of Protons/Electrons: 54 Number of Neutrons: 77 Crystal Structure: Cubic Density 293 K: g/cm3 Color: Colorless Gas

Xenon - facts Date of Discovery: 1898 Discoverer: Sir William Ramsay and Morris Travers Name Origin: From the Greek word xenon (stranger) Uses: powerful lamps, bubble chambers Obtained From: liquid air

Radon - Rn Atomic Number: 86 Atomic Mass: amu Melting Point: °C Boiling Point: °C Number of Protons/Electrons: 86 Number of Neutrons: 136 Crystal Structure: Cubic Density 293 K: 9.73 g/cm3 Color: colorless

Radon - facts Date of Discovery: 1900 Discoverer: Friedrich Ernst Dorn Name Origin: From radium Uses: treatment of cancer Obtained From: decay of radium

Thank you for your attention!    en.wikipedia.org/wiki/Noble_gas