Ferrenberg,+Joshua


 * //__Krypton __//**
 * Name: ** Krypton
 * __Symbol: __**Kr
 * __Boiling point: __**119.93K
 * __Melting point: __** 115.79K
 * __Density: __** 2155 kg m^ -3
 * __# Protons: __** 36
 * __# Neutrons: __** 48
 * __# Electrons: __**<span style="font-family: 'Arial','sans-serif'; font-size: 16px;"> 36
 * __<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Atomic Mass: __**<span style="font-family: 'Arial','sans-serif'; font-size: 16px;"> 83.798
 * __<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Atomic Number: __**<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">36
 * __<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Electron Configuration: __**<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Level 1=2, Level 2=8, Level 3=18, Level 4=8
 * __<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Orbital Notation: __**<span style="font-family: 'Arial','sans-serif'; font-size: 16px;"> 1S2 2S2 2P6 3P6 3D10 4S2 4P6
 * __<span style="font-family: 'Arial','sans-serif'; font-size: 16px;"># Valence electrons: __**<span style="font-family: 'Arial','sans-serif'; font-size: 16px;"> 8



<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Earth’s atmosphere is about 0.0001% Krypton

<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">On May 30, 1898, Scottish chemist **Sir William Ramsay** and **Morris M. Travers** an English chemist was studying **__liquefied air__**. After boiling all the air a small amount of **__Krypton__** remained

<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Krypton is a white crystalline substance. It also has brilliant green and orange spectral lines.

<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Krypton is isolated by fractionally distilling liquefied air. <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">It is found in the atmosphere and used in fluorescent lamps. Also used in lighting and photography.

<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Krypton is around 33$ for 100 grams. <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Krypton's Bhor Model



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